Biology

Explain how a complex trait, like eyes or the ability to fly, can evolve by incremental ...

Started by appyboo

What is the fundamental difference between the processes of microevolution and macroevolution?

Started by futuristic

Of those listed below, which category of classification is the most narrow?

Started by appyboo

Which grouping immediately follows Order in the classification hierarchy?

Started by cnetterville

Which classification grouping includes the greatest number of species?

Started by waynest

Why are animals more likely than plants to form new species while still in the presence of the ...

Started by lbcchick

The varieties of species found on the different Galapagos Islands is most likely an example of which ...

Started by nautica902

Which of the following might be a cause of sympatric speciation?

Started by D2AR0N

The rapid diversification of species seen in the fossil record followed by long periods of stasis is ...

Started by rachel9

Which model of evolution is closest to what was originally suggested by Charles Darwin?

Started by Mimi

In many ways a mule is a superior animal to the horse or donkey. They are often stronger and can ...

Started by kellyjaisingh

Which would be a postzygotic barrier to reproduction?

Started by azncindy619

What is the term that defines when the sperm of one species fails to fertilize the egg of a different species?

Started by LaDunn

What is an exception to the standard biological species concept used to define a species?

Started by tichca

The slow drifting of sections of the earth's crust, sometimes separating, other times colliding, is ...

Started by krzymel

Comparing the body structures of organisms to find evidence of a shared evolutionary history is ...

Started by yoooooman

What is the name for the study of the geographic distribution of species?

Started by abarnes

Why is it inaccurate to say that humans are the most highly evolved species?

Started by penguins

Can you inherit physical traits that your parents acquired during their lifetime?

Started by RRMR

Why or why is it not accurate to say that individuals evolve?

Started by Yolanda

Others had suggested mechanisms for evolution before Darwin published his work. By what means did ...

Started by cookcarl

Individuals with variations that make them best suited to their environment will, on average, be ...

Started by sammy

Which two observations led Darwin to conclude that there is competition for survival?

Started by tiffannnnyyyyyy

What prompted Darwin to publish his book decades after he began writing it?

Started by notis

Who wrote Principles of Geology?

Started by kwoodring