An organism's fitness is measured by 

A. the number of offspring it has.
B. the size of the population of which it is a member.
C. how long it lives compared to others in its species.
D. All of these answers are true.


A. the number of offspring it has.

Biology & Microbiology

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Nephrons are found in

a. annelids. b. mammals. c. flatworms. d. insects. e. adult mollusks.

Biology & Microbiology

The science dealing with classification is called ________.

A. nomenclature B. taxonomy C. identification D. systematics

Biology & Microbiology

Worldwide human population growth has been exponential since the Industrial Revolution.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which of the following statements about DNA is FALSE?

A. A eukaryotic genome is made up of many DNA molecules. B. A strand of DNA is made up of many nucleotides. C. One chromosome is made up of many DNA molecules. D. A DNA double helix contains both covalent bonds and hydrogen bonds. E. All of these are TRUE.

Biology & Microbiology