Effects that are dependent on the size of the population and regulate the growth of populations are called ________ effects.

A. density-independent
B. demographic
C. density-dependent
D. K-related
E. environmental resistance


Answer: C

Biology & Microbiology

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The majority of microbes live and grow in habitats between pH 7 and 9.

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

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The electrons that are passed to NADP+ during the

noncyclic pathway are obtained directly from __________ but ultimately from __________. a. chlorophyll; water b. CO2; chlorophyll c. ATP; O2 d. water; chlorophyll e. NADPH; chlorophyll

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Genes located in cells in different regions of the

body during embryonic development may a. be turned on and off. b. never be turned on. c. be turned on and left on. d. be activated for only a short time in one cell and a long time in another cell. e. do all of these.

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Chaparral has a climate most similar to ________.

a. tropical dry forest b. tundra c. boreal forest d. savanna e. temperate rainforest

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