Why Is It Necessary for Many Sperm to Be Present

question 31

Multiple Choice

Why is it necessary for many sperm to be present in order for one to fertilize the egg?

• A) The combined enzymes digest a path through the corona radiata and zona pellucida.
• B) The combined motion of their flagella enables one sperm to push its way into the egg.
• C) A sperm cannot find the egg by itself.
• D) A mass of sperm is necessary to gain entry into the ovary.
• E) A mass of sperm is necessary to open the uterine tube.

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Definitions:

Berlin Wall

A concrete barrier that physically and ideologically divided Berlin from 1961 to 1989, symbolizing the Cold War division between East and West.

Khrushchev

Nikita Khrushchev, a Soviet statesman who led the Soviet Union during part of the Cold War as the First Secretary of the Communist Party and as Premier.

East Berlin

The capital city of East Germany during the Cold War, characterized by the Berlin Wall dividing it from West Berlin and symbolizing the ideological divide between communism and capitalist democracy.