Evolution

How well an organism survives and reproduces in its environment can be described as its

A bird's wings are homologous to

Darwin noted that different species were found in similar environments on different continents.

In addition to living species, Darwin studied the preserved remains of ancient organisms called

Both bats and mosquitoes have wings. Wings are an example of

Which of these would an animal breeder use to increase the number of cows giving the most milk?

Both pig and rabbit embryos have gill slits. This suggests that

In a muddy pool, light-colored fish are more likely to be eaten than dark fish. Dark color is

The large ground finch obtains food by cracking seeds. Its short, strong beak is an example of

Body parts that are used for the same function but are NOT the same structure are called

Which is NOT part of Darwin's theory of evolution?

In Darwin's time, many people thought Earth was formed just a few thousand years ago.

Which of the following does NOT provide evidence for evolution?

Species that have evolved from a common ancestor should have certain characteristics in common.

Darwin's theory of evolution is supported by

Scientists think that chimps are more closely related to humans than other primates. Why?

Structures shared by organisms that come from a common ancestor are called

The wings of bats and forelimbs of cats are vestigial structures.

Body parts that have little/no purpose are called

Peppered moths vary in color from light gray to black. In an area without factories, we expect

An inherited characteristic that increases an organism's ability to survive & reproduce is

In natural selection, humans select the variations of traits to be passed down to offspring.

Evidence for evolution only occurs in the fossil record.

What would be a favorable trait for a rabbit trying to avoid predators in a snowy environment?