Unit 6 Test Evidence of Evolution

Members of species can mate with each other and produce

• fertile offspring

• gene pools

In Darwin's book, ______________________, he proposed that evolution occurs by means of natural selection.

• The Population of Species

• The Origin of Species

To understand how evolution might occur, Darwin studied the offspring of domesticated animals that were produced by artificial selection.

• True

• False

Without variation, all the members of a species would have the same traits.

• True

• False

Darwin made a number of important observations on the ________ Islands.

• Galápagos Islands

• Hawaiin

In 1858, Alfred Russel Wallace and Charles Darwin proposed an explanation for how evolution occurs.

• True

• False

Today scientists know that organisms are much ______ diverse than Darwin imagined

• more

• less

A hollow area in sediment in  the shape of an organism or part of an organism is

• a cast

• a mold

A solid copy of the shape of an organism is

• mold

• cast

• carbon film

What type of fossils provide evidence of the activities of ancient organisms?

• mold

• cast

• petrified fossil

• trace fossil