Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Reproductive success of an organism is best measured by its

Accepted Answer

A) fitness. 
B) ability to attract a mate. 
C) number of offspring that survive to reproduce. 
D) life span. 
A) fitness. 
B) ability to attract a mate. 
C) number of offspring that survive to reproduce. 
D) life span.

Question 3

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

Accepted Answer

The answer of The total energetic costs of reproduction per...

Question 4

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 5

An organism's ________ is its lifetime pattern of growth,development,and reproduction.

Accepted Answer

The answer of An organism's ________ is its lifetime pattern...

Question 6

Altricial young are relatively

Accepted Answer

A) independent at birth and require relatively little time for incubation and gestation. 
B) independent at birth and require a relatively long time for incubation and gestation. 
C) helpless at birth and require relatively little time for incubation and gestation. 
D) helpless at birth and require a relatively long time for incubation and gestation. 
A) independent at birth and require relatively little time for incubation and gestation. 
B) independent at birth and require a relatively long time for incubation and gestation. 
C) helpless at birth and require relatively little time for incubation and gestation. 
D) helpless at birth and require a relatively long time for incubation and gestation.

Question 7

In long-lived species of organisms,the primary advantage of delaying reproduction (late maturity)is

Accepted Answer

A) increased survivorship. 
B) obtaining a better quality territory. 
C) increased number of mates. 
D) larger initial body size during the first reproduction event. 
A) increased survivorship. 
B) obtaining a better quality territory. 
C) increased number of mates. 
D) larger initial body size during the first reproduction event.

Question 8

Polygyny is more likely to occur as differences in territory quality increase between territorial males.

Accepted Answer

A) True 
 B)False

Question 9

Weedy plants are considered to be K-strategists.

Accepted Answer

A) True 
 B)False

Question 10

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 11

The behavioral,physiological,and energetic activities involved in current reproduction result in

Accepted Answer

A) reduced future survival,fecundity,and growth. 
B) reduced future survival and fecundity but increased future growth. 
C) reduced future survival but increased future fecundity and growth. 
D) increased future survival,fecundity,and growth. 
A) reduced future survival,fecundity,and growth. 
B) reduced future survival and fecundity but increased future growth. 
C) reduced future survival but increased future fecundity and growth. 
D) increased future survival,fecundity,and growth.

Question 12

Parental care is best developed among

Accepted Answer

A) ants and bees. 
B) fish. 
C) salamanders. 
D) snakes and turtles. 
A) ants and bees. 
B) fish. 
C) salamanders. 
D) snakes and turtles.

Question 13

An r-strategist is characterized by

Accepted Answer

A) slow population growth. 
B) a slow rate of development. 
C) a long life expectancy. 
D) density-independent mortality. 
A) slow population growth. 
B) a slow rate of development. 
C) a long life expectancy. 
D) density-independent mortality.

Question 14

Species that are r-strategists are usually larger than those that are K-strategists.

Accepted Answer

A) True 
 B)False

Question 15

Fecundity increases with body weight.

Accepted Answer

A) True 
 B)False

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 major difference between ancestral teosinte and modern corn is the amount of resources allocated to seed production.

Accepted Answer

A) True 
 B)False

Question 18

Extrinsic ecological factors such as the physical environment and the presence of predators or competitors influence age specific rates of mortality and survivorship.

Accepted Answer

A) True 
 B)False

Question 19

A male swordtail fish with a tail fin longer than its rivals is

Accepted Answer

A) more likely to be selected by a female and to consume less oxygen while swimming. 
B) more likely to be selected by a female and to consume more oxygen while swimming. 
C) less likely to be selected by a female and to consume less oxygen while swimming. 
D) less likely to be selected by a female and to consume more oxygen while swimming. 
A) more likely to be selected by a female and to consume less oxygen while swimming. 
B) more likely to be selected by a female and to consume more oxygen while swimming. 
C) less likely to be selected by a female and to consume less oxygen while swimming. 
D) less likely to be selected by a female and to consume more oxygen while swimming.

Question 20

The set of phenotypes expressed by a single genotype across a range of environmental conditions is referred as the norm of ________.

Accepted Answer

The answer of The set of phenotypes expressed by a...

Exam 10: Life History

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

Reproductive success of an organism is best measured by its

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

An organism's ________ is its lifetime pattern of growth,development,and reproduction.

Altricial young are relatively

In long-lived species of organisms,the primary advantage of delaying reproduction (late maturity)is

Polygyny is more likely to occur as differences in territory quality increase between territorial males.

Weedy plants are considered to be K-strategists.

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

The behavioral,physiological,and energetic activities involved in current reproduction result in

Parental care is best developed among

An r-strategist is characterized by

Species that are r-strategists are usually larger than those that are K-strategists.

Fecundity increases with body weight.

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

The major difference between ancestral teosinte and modern corn is the amount of resources allocated to seed production.

Extrinsic ecological factors such as the physical environment and the presence of predators or competitors influence age specific rates of mortality and survivorship.

A male swordtail fish with a tail fin longer than its rivals is

The set of phenotypes expressed by a single genotype across a range of environmental conditions is referred as the norm of ________.

The Nature of Ecology

Climate

The Aquatic Environment

The Terrestrial Environment

Intraspecific Population Regulation

Metapopulations

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

Population Growth, resource Use, and Sustainability

Habitat Loss, biodiversity, and Conservation

Global Climate Change

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