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Question 1

scientists call an organism that has two different alleles

Answer 1

heterozygous

Question 2

A characteristic that can help an organism survive and reproduce in its environment is called

Answer 2

an adaptation

Question 3

scientists call an organism that has two of the same alleles

Answer 3

homozygous

Question 4

what is the process called in which organisms that are better adapted to their environment survive and produce more offspring. This process is known as

Answer 4

natural selection

Question 5

What are fossils

Answer 5

Fossils are preserved remains of prehistoric organisms in a bone impression form