Science, brain pop, natural selection
What is least likely to be an example of a variation within a species
Number of limbs
The Galapagos Islands are where Charles Darwin:
Studied unusual animals
Which variation would be most likely to benefit any organism, regardless of environment
The ability to produce energy more efficiently
The beaks of finches found on various Galapagos Islands differed based on:
The available food supply
In the phrase "survival of the fittest," the term "fittest" refers to:
The best-adapted organisms
Dogs are an example of:
selective breeding
Which of the following is an example of an environmental pressure
A lake that's gradually running out of water
What is a common ancestor
An animal from which two or more different species evolved
When nature "selects" a variation, that means that the trait:
Gets passed along from generation to generation
On Darwin's tree of life, organisms at the base of a branch:
Give rise to species farther down the branch