A population of dandelions in a field exemplifies a ____ population distribution

a. clumped
b. random
c. uniform
d. constant
e. homogeneous


ANSWER: b

Biology & Microbiology

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Which muscle produces the action of a sit up?

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Populations within ecosystems interact in many ways. Some of these interactions affect the evolution of a population. Which ecological interaction is required for natural selection to act on a population?

a) parasitism b) competition c) predation d) mutualism

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The binding of arabinose to the AraC protein allows it to form a loop in the DNA upstream of the ara operon promoter.

Answer the following statement true (T) or false (F)

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Which of the following animals does NOT use negative pressure breathing to ventilate its lungs?

a. a human b. a lizard c. a bird d. a cat e. a salamander

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