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TBR
Posts: 9,991
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3/12/2016 4:05:16 PM
Posted: 9 months ago
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?
film
Posts: 85
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3/12/2016 4:55:32 PM
Posted: 9 months ago
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.
TBR
Posts: 9,991
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3/12/2016 4:56:58 PM
Posted: 9 months ago
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?
film
Posts: 85
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3/12/2016 5:03:56 PM
Posted: 9 months ago
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.
TBR
Posts: 9,991
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3/12/2016 5:04:40 PM
Posted: 9 months ago
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.
autocorrect
Posts: 432
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3/12/2016 5:08:16 PM
Posted: 9 months ago
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

Even if you suppose a common ancestor of all life, the first great diversification of forms occurred in the oceans. Two main strategies of energy production occurred - one photosynthetic and the other involving the incorporation of mitochondria. These would go on to develop into flora and fuana, or plants and animals. Animals began eating plants, but then hit upon the strategy of eating other animals - and an evolutionary arms race of predator and prey began. But the basic answer is that there were already a variety of forms of life before animals started eating each-other.
film
Posts: 85
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3/12/2016 5:09:37 PM
Posted: 9 months ago
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor
TBR
Posts: 9,991
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3/12/2016 5:14:30 PM
Posted: 9 months ago
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.
film
Posts: 85
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3/12/2016 5:22:37 PM
Posted: 9 months ago
At 3/12/2016 5:08:16 PM, autocorrect wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

Even if you suppose a common ancestor of all life, the first great diversification of forms occurred in the oceans. Two main strategies of energy production occurred

how did two main strategies occur and why?
film
Posts: 85
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3/12/2016 5:24:24 PM
Posted: 9 months ago
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?
TBR
Posts: 9,991
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3/12/2016 5:28:25 PM
Posted: 9 months ago
At 3/12/2016 5:22:37 PM, film wrote:
At 3/12/2016 5:08:16 PM, autocorrect wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

Even if you suppose a common ancestor of all life, the first great diversification of forms occurred in the oceans. Two main strategies of energy production occurred

how did two main strategies occur and why?

I think what you are looking for is purposeful evolution. Like a choice. That simply is not the case. If one species breaks "branches" from another they are simply different. Each may survive, and evolve different methods of taking in nutrients.
TBR
Posts: 9,991
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3/12/2016 5:29:11 PM
Posted: 9 months ago
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.
autocorrect
Posts: 432
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3/12/2016 5:29:19 PM
Posted: 9 months ago
At 3/12/2016 5:22:37 PM, film wrote:
At 3/12/2016 5:08:16 PM, autocorrect wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

Even if you suppose a common ancestor of all life, the first great diversification of forms occurred in the oceans. Two main strategies of energy production occurred

how did two main strategies occur and why?

Presumably, these strategies occurred as a consequence of random genetic mutations tested against the environment - where those most able to survive and prosper did so to the cost of those that were not so well able to. Photosynthesis and incorporating mitochondria enabled cells to utilize energy from the environment more effectively, giving them survival advantages.
film
Posts: 85
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3/12/2016 6:06:05 PM
Posted: 9 months ago
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?
TBR
Posts: 9,991
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3/12/2016 6:16:03 PM
Posted: 9 months ago
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

You may be speaking of convergence. That is where species that are not directly related independently evolve the same functions.

https://en.wikipedia.org...

or you may be looking further back, and in that case, yes they ALL share ancestors.

http://news.nationalgeographic.com...
film
Posts: 85
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3/13/2016 4:00:07 AM
Posted: 9 months ago
At 3/12/2016 6:16:03 PM, TBR wrote:
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

You may be speaking of convergence. That is where species that are not directly related independently evolve the same functions.

like predation?
Stronn
Posts: 318
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3/13/2016 5:14:57 AM
Posted: 9 months ago
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

There is no one place in the evolutionary tree where predators and prey split into separate branches. The development of predators occurs many times. Mammals, for instance, consist of both pure meat-eaters and pure plant-eaters, as well as everything in between. The same with insects. We ourselves are omnivores, capable of eating both plants and animals.

Also consider that most predators are themselves prey for bigger predators.
distraff
Posts: 1,005
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3/13/2016 6:33:55 AM
Posted: 9 months ago
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Natural selection is the idea that the animals that have the traits that better allow them to survive to reproduction will more likely be able to pass on their genes and so the next generation will have more of their traits. Over hundreds of generations traits that are good for survival will be seen more and more in a population until it takes over.

Animals that can capture other animals for food and have been specialized for that purpose can survive to reproduction and as long as they can continue to do this, their genes will be passed on to the next generation.
film
Posts: 85
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3/13/2016 9:52:47 AM
Posted: 9 months ago
At 3/13/2016 6:33:55 AM, distraff wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Natural selection is the idea that the animals that have the traits that better allow them to survive to reproduction will more likely be able to pass on their genes and so the next generation will have more of their traits. Over hundreds of generations traits that are good for survival will be seen more and more in a population until it takes over.

Animals that can capture other animals for food and have been specialized for that purpose can survive

from where did the specialization come?
film
Posts: 85
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3/13/2016 9:58:46 AM
Posted: 9 months ago
At 3/13/2016 5:14:57 AM, Stronn wrote:
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

There is no one place in the evolutionary tree where predators and prey split into separate branches. The development of predators occurs many times.

why and how does the development of predators happen?
Stronn
Posts: 318
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3/13/2016 11:16:14 AM
Posted: 9 months ago
At 3/13/2016 9:58:46 AM, film wrote:
At 3/13/2016 5:14:57 AM, Stronn wrote:
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

There is no one place in the evolutionary tree where predators and prey split into separate branches. The development of predators occurs many times.

why and how does the development of predators happen?

Here is a very good, if rather technical, paper on the subject. http://www.nrm.se....

The origin of both eukaryotes and multicellular creatures is thought to be due to the development of predation. Part of the evidence for this is that both mitochondria and chloroplasts, which are structures in eukaryotic cells, have their own genome. Think of a microbe engulfing another microbe, or penetrating into another microbe.
film
Posts: 85
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3/13/2016 12:07:15 PM
Posted: 9 months ago
At 3/13/2016 11:16:14 AM, Stronn wrote:
At 3/13/2016 9:58:46 AM, film wrote:
At 3/13/2016 5:14:57 AM, Stronn wrote:
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

There is no one place in the evolutionary tree where predators and prey split into separate branches. The development of predators occurs many times.

why and how does the development of predators happen?

Here is a very good, if rather technical, paper on the subject.

I am interested in the origination of predators - how the predators came into being as per the theory of evolution, not the evolution of predators. Any explanation for that?
TBR
Posts: 9,991
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3/13/2016 1:58:28 PM
Posted: 9 months ago
At 3/13/2016 12:07:15 PM, film wrote:
At 3/13/2016 11:16:14 AM, Stronn wrote:
At 3/13/2016 9:58:46 AM, film wrote:
At 3/13/2016 5:14:57 AM, Stronn wrote:
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

There is no one place in the evolutionary tree where predators and prey split into separate branches. The development of predators occurs many times.

why and how does the development of predators happen?

Here is a very good, if rather technical, paper on the subject.

I am interested in the origination of predators - how the predators came into being as per the theory of evolution, not the evolution of predators. Any explanation for that?

Several posts have explained this. It could be you need to work on the question. What part is concerning you?
film
Posts: 85
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3/13/2016 2:49:36 PM
Posted: 9 months ago
At 3/13/2016 1:58:28 PM, TBR wrote:
At 3/13/2016 12:07:15 PM, film wrote:
At 3/13/2016 11:16:14 AM, Stronn wrote:
At 3/13/2016 9:58:46 AM, film wrote:
At 3/13/2016 5:14:57 AM, Stronn wrote:
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

There is no one place in the evolutionary tree where predators and prey split into separate branches. The development of predators occurs many times.

why and how does the development of predators happen?

Here is a very good, if rather technical, paper on the subject.

I am interested in the origination of predators - how the predators came into being as per the theory of evolution, not the evolution of predators. Any explanation for that?

Several posts have explained this. It could be you need to work on the question. What part is concerning you?

is every organism either predator or prey? any exception?
TBR
Posts: 9,991
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3/13/2016 3:11:18 PM
Posted: 9 months ago
At 3/13/2016 2:49:36 PM, film wrote:
At 3/13/2016 1:58:28 PM, TBR wrote:
At 3/13/2016 12:07:15 PM, film wrote:
At 3/13/2016 11:16:14 AM, Stronn wrote:
At 3/13/2016 9:58:46 AM, film wrote:
At 3/13/2016 5:14:57 AM, Stronn wrote:
At 3/12/2016 6:06:05 PM, film wrote:
At 3/12/2016 5:29:11 PM, TBR wrote:
At 3/12/2016 5:24:24 PM, film wrote:
At 3/12/2016 5:14:30 PM, TBR wrote:
At 3/12/2016 5:09:37 PM, film wrote:
At 3/12/2016 5:04:40 PM, TBR wrote:
At 3/12/2016 5:03:56 PM, film wrote:
At 3/12/2016 4:56:58 PM, TBR wrote:
At 3/12/2016 4:55:32 PM, film wrote:
At 3/12/2016 4:05:16 PM, TBR wrote:
At 3/12/2016 4:43:16 AM, film wrote:
how can the theory of evolution explain predation?

Elaborate please. Why do you think there is a problem with predators in evolution?

common ancestor & natural selection.

I am asking why you think its a problem?

predator & prey share the same area.

Yes... Again, not understanding your problem with this.

predator & prey share a common ancestor

Sure.

sure?

You said "predator & prey share a common ancestor" and I am saying - yes they do.

do all the predators have a common ancestor, one that any prey does not share?

There is no one place in the evolutionary tree where predators and prey split into separate branches. The development of predators occurs many times.

why and how does the development of predators happen?

Here is a very good, if rather technical, paper on the subject.

I am interested in the origination of predators - how the predators came into being as per the theory of evolution, not the evolution of predators. Any explanation for that?

Several posts have explained this. It could be you need to work on the question. What part is concerning you?

is every organism either predator or prey? any exception?

Jokingly, people will say humans are the only species that has removed itself from the food-chain, and for all real purposes that is true. Regardless, sometimes the prey are predators.
TBR
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3/13/2016 3:13:47 PM
Posted: 9 months ago
I can't help but think you have a more complex question in there someplace. I am also guessing you have some doubts about evolution. It would be helpful if you could just layout the argument more verbosely.
film
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3/13/2016 3:50:50 PM
Posted: 9 months ago
At 3/13/2016 3:13:47 PM, TBR wrote:
I can't help but think you have a more complex question in there someplace. I am also guessing you have some doubts about evolution. It would be helpful if you could just layout the argument more verbosely.

let's talk about carnivorous mammals.
TBR
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3/13/2016 3:51:50 PM
Posted: 9 months ago
At 3/13/2016 3:50:50 PM, film wrote:
At 3/13/2016 3:13:47 PM, TBR wrote:
I can't help but think you have a more complex question in there someplace. I am also guessing you have some doubts about evolution. It would be helpful if you could just layout the argument more verbosely.

let's talk about carnivorous mammals.

OK. Sure. What about them?
film
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3/13/2016 4:17:04 PM
Posted: 9 months ago
At 3/13/2016 3:51:50 PM, TBR wrote:
At 3/13/2016 3:50:50 PM, film wrote:
At 3/13/2016 3:13:47 PM, TBR wrote:
I can't help but think you have a more complex question in there someplace. I am also guessing you have some doubts about evolution. It would be helpful if you could just layout the argument more verbosely.

let's talk about carnivorous mammals.

OK. Sure. What about them?

what could have been the compulsion for mammals to eat the meat?