Question 1

Early sexual maturity is predicted to result in

Accepted Answer

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

Question 2

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

Accepted Answer

negatively

Question 3

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

Accepted Answer

reproductive effort

Question 4

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

Accepted Answer

A) intersexual selection. 
B) intrasexual selection. 
C) polygamy. 
D) delayed sexual maturity. 
A) intersexual selection. 
B) intrasexual selection. 
C) polygamy. 
D) delayed sexual maturity.

Question 5

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

Accepted Answer

A) semelparity. 
B) iteroparity. 
C) altricial. 
D) precocial. 
A) semelparity. 
B) iteroparity. 
C) altricial. 
D) precocial.

Question 6

A trade-off for having many offspring would be

Accepted Answer

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. 
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.

Question 7

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

Accepted Answer

The answer of Allocation of energy to reproduction reduces the...

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) C species. 
B) R species. 
C) S species. 
D) X species. 
A) C species. 
B) R species. 
C) S species. 
D) X species.

Question 11

Fecundity increases with body weight.

Accepted Answer

A) True 
 B)False

Question 12

Human reproductive systems are best described as

Accepted Answer

A) perfect. 
B) dioecious. 
C) hermaphroditic. 
D) budding. 
A) perfect. 
B) dioecious. 
C) hermaphroditic. 
D) budding.

Question 13

An advantage to sexual reproduction is

Accepted Answer

A) that there is no need to find a mate. 
B) the potential for high population growth. 
C) that offspring are adapted to the local environment. 
D) increased genetic variability. 
A) that there is no need to find a mate. 
B) the potential for high population growth. 
C) that offspring are adapted to the local environment. 
D) increased genetic variability.

Question 14

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

Accepted Answer

A) feeding less frequently. 
B) increasing age at maturity. 
C) increasing the number of individuals in a school. 
D) becoming smaller in body size. 
A) feeding less frequently. 
B) increasing age at maturity. 
C) increasing the number of individuals in a school. 
D) becoming smaller in body size.

Question 15

Which of the following is associated with asexual reproduction?

Accepted Answer

A) parthenogenesis 
B) hermaphrodites 
C) monoecious hermaphrodites 
D) monogamy 
A) parthenogenesis 
B) hermaphrodites 
C) monoecious hermaphrodites 
D) monogamy

Question 16

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

Accepted Answer

The answer of The objective of reproduction is to maximize...

Question 17

The K in the term K-strategist refers to

Accepted Answer

A) intrinsic rate of growth. 
B) kill rate. 
C) fecundity. 
D) carrying capacity. 
A) intrinsic rate of growth. 
B) kill rate. 
C) fecundity. 
D) carrying capacity.

Question 18

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

Accepted Answer

A) imperfect. 
B) dioecious. 
C) perfect. 
D) asexual. 
A) imperfect. 
B) dioecious. 
C) perfect. 
D) asexual.

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Weedy plants are considered to be K-strategists.

Accepted Answer

A) True 
 B)False

Exam 10: Life History

Early sexual maturity is predicted to result in

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

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

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

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

A trade-off for having many offspring would be

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

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

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

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

Fecundity increases with body weight.

Human reproductive systems are best described as

An advantage to sexual reproduction is

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

Which of the following is associated with asexual reproduction?

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

The K in the term K-strategist refers to

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

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

Weedy plants are considered to be K-strategists.

The Nature of Ecology

Climate

The Aquatic Environment

The Terrestrial Environment

Adaptation and Natural Selection

Plant Adaptations to the Environment

Animal Adaptations to the Environment

Properties of Populations

Population Growth

Intraspecific Population Regulation

Species Interactions, population Dynamics, and Natural Selection

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Factors Influencing the Structure of Communities

Community Dynamics

Landscape Dynamics

Ecosystem Energetics

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

Large-Scale Patterns of Biological Diversity

The Ecology of Climate Change

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