Sexual reproduction in animals requires _____

a. meiosis
b. fertilization
c. spore formation
d. meiosis and fertilization


D

Biology & Microbiology

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Which of the following is not a female component of a flower?

a. anther b. carpel c. stigma d. style

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Which lipid forms cell membranes?

a. unsaturated fats b. steroids c. waxes d. phospholipids e. saturated fats

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The structure labeled "B" is the

a. right ventricle. b. right atrium. c. left atrium. d. left ventricle. e. superior vena cava

Biology & Microbiology

Hybrid inviability is the result of what kind of

reproductive isolation? a. gamete mortality b. prezygotic c. behavioral d. mechanical e. postzygotic

Biology & Microbiology