A group of neighboring populations that exchange individuals is defined as a ____

a. metapopulation
b. megapopulation
c. community
d. source population
e. sink population


ANSWER: a

Biology & Microbiology

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Some organisms do not have crossing over, and hold their homologous chromosomes together via

some other mechanism. Even though crossing over leads to genetic diversity, the absence of crossing over in these organisms does not prevent the production of diverse gametes. Why is this?

What will be an ideal response?

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A sorus is a cluster of ____

a. sporangia b. fronds c. strobili d. gametangia e. rhizomes

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The cells of which tissue are connected by gap junctions?

a. skeletal muscle b. cardiac muscle c. smooth muscle d. adipose muscle e. cardiac and smooth muscle

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Once milk has gone through the process of pasteurization it is considered sterile.

A) True B) False

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