Floods and earthquakes that affect population size are ____

a. carrying capacities
b. replacement factors
c. density-dependent controls
d. density-limiting controls
e. density-independent controls


ANSWER: e

Biology & Microbiology

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Female gametes complete meiosis II at ____________________

Fill in the blank(s) with correct word

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What percentage of people in this population have short fingers and toes?

A) 0% B) 16% C) 36% D) 64% E) 84%

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Why is it important that the cells of the phloem remain alive

What will be an ideal response?

Biology & Microbiology

Kettle ponds derive from a hole left by a retreating glacier that is subsequently filled with rainwater. A certain region has a series of disconnected kettle ponds, but occasionally heavy rains flood them and create streams.  Which type of animal is most likely to be present in this area as a metapopulation?

A. an aquatic bird B. a dragonfly C. a mosquito D. a fish

Biology & Microbiology