Gas exchange, which is necessary for photosynthesis, can occur most easily in which leaf tissue?

a. epidermis
b. palisade mesophyll
c. spongy mesophyll
d. vascular tissue
e. bundle sheath


Ans: c. spongy mesophyll

Biology & Microbiology

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Which of the following is least likely to be considered a mutualistic relationship?

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When individuals choose mates are a particular

trait they desire it is called

a. stabilizing selection. b. sexual selection. c. artificial selection. d. Red Queen selection. e. disruptive selection.

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Hookworms and threadworms usually enter the body by penetrating into the skin.

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

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Speciation is more likely to occur if the isolated population is large

_______ Indicate whether the statement is true or false.

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