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How Could the Decline of the Population of Anchovies Off

question 80

Essay

How could the decline of the population of anchovies off Peru preclude a future rebound in this population in and of itself even if, in the future, there was enough food in the water to support the growth of large populations of anchovies?


Definitions:

Embryonic Development

In humans, the first 2 months of development following fertilization, during which the major organs are formed.

Radial Cleavage

A type of embryonic development in certain animals where cell divisions occur at right angles to one another, typical in deuterostomes.

Coelom

Body cavity of an animal; the method by which the coelom is formed (or lack of formation) is an identifying characteristic in animal classification.

Protostomes

A group of animals characterized by the blastopore (the first opening in the developing embryo) becoming the mouth, including groups like mollusks and annelids.

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