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Exam 10: Life History

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Question 1

Multiple Choice

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A trade-off for having many offspring would be

A) that they would likely be small in size.
B) that they would likely be large in size.
C) that they would require a large amount of parental care.
D) that they would have high survivorship.

E) None of the above
F) All of the above

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Question 2

Multiple Choice

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Early sexual maturity is predicted to result in

A) lower overall lifetime reproduction.
B) higher overall lifetime reproduction.
C) higher reproduction earlier in life.
D) higher reproduction later in life.

E) A) and D)
F) B) and C)

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C

Question 3

Multiple Choice

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An advantage to sexual reproduction is

Weedy plants are considered to be K-strategists.

The K in the term K-strategist refers to

Human reproductive systems are best described as

Defending a breeding territory increases an animal's probability of future survival.

The number of seeds produced by a plant is ________ correlated with the size of the seeds.

Allocation of energy to reproduction reduces the amount of resources available for ________.

The reproductive strategy in which relatively few young are produced at repeated intervals during an individual's life is referred to as

The objective of reproduction is to maximize the relative ________ of the individual.

Which of the following is associated with asexual reproduction?

Heightened male to male aggression around female mates is likely the result of

An individual plant that possesses both male and female reproductive organs is known as

Semelparity is favored when the external environment imposes high adult mortality relative to juvenile mortality,and mature individuals are unlikely to survive much longer.

Sexual dimorphism occurs when males and females are so similar morphologically that they are difficult to distinguish.

Small and short-lived plants that rapidly colonize disturbed sites are classified by J.Phillip Grime as

The total energetic costs of reproduction per unit of time are referred to as an individual's ________.

Guppies were moved from stream A,with a fish that preyed upon adult guppies,to stream B,with a fish that preyed upon juvenile guppies.After 30 to 60 generations,the guppies responded to the increased predation on juveniles relative to adults by

Fecundity increases with body weight.