Linked Questions

82
votes
5answers
26k views

How could humans have interbred with Neanderthals if we're a different species?

To be clear, I'm not doubting that homo sapiens and homo neanderthalensis did interbreed: of that much I'm convinced. Within the past few years I've seen an upcropping of pop-sci articles discussing ...
1
vote
2answers
10k views

Can you answer Ray Comfort's question on Biological Evolution? [closed]

https://www.youtube.com/watch?v=U0u3-2CGOMQ There's this video on Youtube about biological Evolution that has gone viral. I'll paste it above for your convenience. To cut to the chase, Ray Comfort ...
6
votes
3answers
640 views

Can domestic breeding be considered evolution?

Domestic breeding of animals (and plants) by humans seems to match some of the definitions of evolution I have been able to find: "a process that results in heritable changes in a population spread ...
1
vote
1answer
772 views

Are there any half-evolved animals alive today? [closed]

I know that there are animals that are "simpler" than other animals but are there any that are half-evolved? Are there any animals with half-evolved functions, like arms, legs, etc? This was part of ...
0
votes
1answer
634 views

Have scientists ever produce a new species in laboratory by means of natural selection?

I was wondering, if scientists ever produce a more complex species from a less complex species by means of natural selection? I imagine something like, bacteria which can't photosynthesis and oxygen (...
1
vote
1answer
679 views

What is variation in Speciation

I read a lot about speciation. To my knowledge, a species is often defined as a group of individuals that actually or potentially interbreed in nature and produce fertile offspring. Speciation is a ...
2
votes
1answer
470 views

Examples of creating a new animal species by humans

So recently, I was arguing with my friend who happens to be creationist. As he does not believe in the "theory of evolution" I asked him how he can explain such a big diversity in the dog Canis ...
4
votes
1answer
290 views

Are there any cases of observed extreme speciation [closed]

Is there an observed (direct not indirect) speciation on record showing a species shift within the span of history of recorded science?
6
votes
1answer
219 views

Are there hybrids that emerge as a new species?

We know a couple of hybride (mammal) animals (http://www.rantpets.com/2015/06/03/15-strangest-hybrid-animal-breeds-you-didnt-know-existed/) and perhaps even more and perhaps even insects like the ...
-2
votes
1answer
117 views

How has the theory of evolution changed over time?

I learned at school and in the documentaries like everybody that (to summarize) molluscs evolved into fishes then reptiles then mammals then humans. Does the theory still make the same claim ? or ...
2
votes
2answers
125 views

Is there any artificial species (in particular, an artificial species of animal)?

Dogs were artificially selected from wolves, but a dog and a wolf can produce fertile offspring, and thus are of the same species. I had heard that the aurochs and cattle were different species, but I ...
0
votes
1answer
74 views

Examples of points in evolution where two species stopped being interfertile? [closed]

Apologies in advance for not using the right terminology here; I'm not a biologist. This isn't for homework or anything; just curiosity. I'm wondering: at what point do two divergent species stop ...