Question

44.
Choose the best answer.

A preserved life form from the past is a _________.

species

rock

fossil

polyploidy
45.
Choose the best answer.

If species don't adapt to environmental changes, they become _________.

weak

extinct

strong

overpopulated
46.
Choose the best answer.

Who is famous for popularizing the Theory of Evolution?

Charles Darwin

Isaac Newton

Alfred Wallace

Albert Einstein
47.
Match the correct term for each definition below.

changes in an organism's structure
changes in a body's internal response to environmental changes
changes in organism's behavior
48.
Choose the best answer.

When humans manipulate the breeding of plants and animals in order to obtain desired traits, it is known as _____.

artificial selection

natural selection

structural adaptation

physiological adaptation

Answer 1

44. fossil

45. extinct

46. Charles Darwin

47. changes in an organism's structure — structural adaptation
changes in a body's internal response to environmental changes — physiological adaptation
changes in organism's behavior — behavioral adaptation

48. artificial selection