Evolution and Natural Selection Quiz

A trait which benefits an organism and increases its chances of survival in its environment -

• natural selection

• adaptation

• inherited variation

• common ancestor

A process of change in species over time -

• natural selection

• adaptation

• incomplete dominance

• common ancestor

According to Darwin's theory of natural selection, individuals who survive are the ones best adapted for their environment. Their survival is due to them having - _______.

• the worst adapted traits for the environment

• limited adapted traits for the environment

• the best adapted traits for the environment

Natural selection states that individual's with _______ traits are more likely to survive.

• adaptive

• non-adaptive

Darwin's theory of evolution is based on the ideas of - _______.

• incomplete dominance and natural landscape

• inherited variation and natural selection

• inherited selection and natural dominance

Charles Darwin's observations that finches of different species on the Galapagos Islands have many similar physical characteristics supports the hypothesis that these finches descended from a _______.

• common ancestor

• uncommon ancestor

• stranger

The limbs of several organisms are shown in the illustrations below. These are called what? (similar structure, different function, common ancestor)

• heterozygous structures

• homologous structures

These limbs above provide evidence of common ancestry because they - _______.

• have some basic structure

• have no basic structure

• all have basic structure

• are all broken

The opossum, which is native to North America, and the kangaroo, which is native to Australia, are marsupials. The fact that both these mammals incubate their immature offspring in a pouch provides evidence that they are - _______.

• descended from a common ancestor

• descended from an uncommon ancestor

What must happen for natural selection to result in a new species? _______.

• evolution

• an inherited variation

• adaptive traits