What is the waste product of photosynthesis?

a. hydrogen
b. carbon dioxide
c. oxygen
d. water


c. oxygen

Biology & Microbiology

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Hypothermia results from ____

a. a drop in core temperature for a prolonged period of time b. a lack of homeostasis c. an imbalance between energy inputs (nutrients) and energy output d. prolonged exposure to heat e. dehydration

Biology & Microbiology

RNAi is a key regulator of transcription

Indicate whether the statement is true or false.

Biology & Microbiology

How is active immunity different from passive immunity?

a. Active immunity is slower in onset and shorter-lived. b. Active immunity is slower in onset and longer-lived. c. Active immunity is faster in onset and shorter-lived. d. Active immunity is faster in onset and longer-lived. e. Only active immunity involves antibodies.

Biology & Microbiology

The portion of potential resources and conditions that an organism actually exploits as a result of interactions with other species is its

A) home range. B) territory. C) realized niche. D) fundamental niche.

Biology & Microbiology