Which of the following statements is an accurate combination of postulates 3 and 4 of natural selection?

A. Individuals experience no success in their ability to survive or reproduce.
B. Individuals experience differential success in their ability to survive or reproduce.
C. Individuals experience uniform success in their ability to survive or reproduce.
D. Individuals experience unlimited success in their ability to survive or reproduce.


Ans: B. Individuals experience differential success in their ability to survive or reproduce.

Biology & Microbiology

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After meiosis, resulting daughter cells will contain _____

a. the same number of chromosomes as the parent cell b. half the number of chromosomes than the parent cell carries c. twice the number of chromosomes than the parent cell carries d. three times the number of chromosomes than the parent cell carries e. four times the number of chromosomes than the parent cell carries

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Spot desmosomes are actually ________ junctions, which allow for slight flexibility in an epithelium

Fill in the blank(s) with correct word

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Shade-tolerant plant species are generally found early in succession and are replaced by hardier, shade-intolerant species

Indicate whether the statement is true or false

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Which ecosystem has the lowest percentage of total net primary productivity?

a. open ocean b. savanna c. swamp and march d. temperate deciduous forests e. tundra

Biology & Microbiology