Question 1

Contrast sexual and asexual reproduction. What conditions would favour the evolution of one reproductive strategy over the other?

Accepted Answer

Sexual reproduction involves the fusion

Question 2

Species that are K-strategists tend to develop more rapidly than those that are r-strategists.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements is NOT true?

Accepted Answer

A) Perennial plants generally delay reproduction until they have attained a certain size. 
B) Fecundity in poikilothermic animals, such as fish, increases with age. 
C) The number of eggs produced by a female loggerhead sea turtle is constrained by her body size. 
D) Fecundity generally declines with body size in endotherms. 
A) Perennial plants generally delay reproduction until they have attained a certain size. 
B) Fecundity in poikilothermic animals, such as fish, increases with age. 
C) The number of eggs produced by a female loggerhead sea turtle is constrained by her body size. 
D) Fecundity generally declines with body size in endotherms.

Question 4

Humans are precocial because their offspring are born helpless and require intensive parental care.

Accepted Answer

A) True 
 B)False

Question 5

Explain why most bird species are monogamous while most mammal species are polygynous.

Accepted Answer

There are several factors that contribut

Question 6

________ are competitive species with stable populations of long-lived individuals.

Accepted Answer

The answer of ________ are competitive species with stable populations...

Question 7

The dominant phenotypes in a population may be determined by factors other than natural selection.

Accepted Answer

A) True 
 B)False

Question 8

________ selection occurs when members of the same sex compete for access to the opposite sex.

Accepted Answer

The answer of ________ selection occurs when members of the...

Question 9

Explain the advantage of the ability of an organism to possess both male and female organs.

Accepted Answer

The advantage of an organism possessing

Question 10

R-strategists (MacArthur et al.)are most similar to Grime's

Accepted Answer

A) C strategy. 
B) S strategy. 
C) R strategy. 
D) CS strategy. 
A) C strategy. 
B) S strategy. 
C) R strategy. 
D) CS strategy.

Question 11

For many species, the number of offspring produced varies with the age and ________ of the parent.

Accepted Answer

The answer of For many species, the number of offspring...

Question 12

Organisms reproduce either sexually or asexually, but never both.

Accepted Answer

A) True 
 B)False

Question 13

Most species of vertebrates are iteroparous.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is NOT proposed to explain the change in clutch size of birds with latitude?

Accepted Answer

A) Clutch size has evolved to equal the largest number of young the parents can feed. 
B) Clutch size results from different allocations of energy to egg production, avoidance of predators, and competition. 
C) Clutch size is a fixed evolutionary feature within any given taxonomic lineage of bird species. 
D) Clutch size varies in direct proportion to seasonal variation in resources, especially food. 
A) Clutch size has evolved to equal the largest number of young the parents can feed. 
B) Clutch size results from different allocations of energy to egg production, avoidance of predators, and competition. 
C) Clutch size is a fixed evolutionary feature within any given taxonomic lineage of bird species. 
D) Clutch size varies in direct proportion to seasonal variation in resources, especially food.

Question 15

Discuss the differences between r-strategists and K-strategists. Give an example of each.

Accepted Answer

R-strategists and K-strategists are two

Question 16

Contrast altricial and precocial offspring and describe the conditions under which each is considered most advantageous.

Accepted Answer

Altricial and precocial offspring are tw

Question 17

Large body size is often positively correlated with fecundity.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following statements is incorrect?

Accepted Answer

A) Seed dispersal is the primary component of plant habitat selection. 
B) Birds tend to assess the general features of the landscape before any other factor when selecting a habitat. 
C) Even though a habitat may provide all the resources required, it still may not be selected. 
D) The presence of predators may encourage a species to occupy a particular habitat. 
A) Seed dispersal is the primary component of plant habitat selection. 
B) Birds tend to assess the general features of the landscape before any other factor when selecting a habitat. 
C) Even though a habitat may provide all the resources required, it still may not be selected. 
D) The presence of predators may encourage a species to occupy a particular habitat.

Question 19

The number of offspring produced by birds and mammals per reproductive event is fewer in temperate areas than in tropical areas.

Accepted Answer

A) True 
 B)False

Question 20

________ is a mode of reproduction in which an organism expends all its energy in growth and reproduction and then dies.

Accepted Answer

The answer of ________ is a mode of reproduction in...

Exam 8: Life History Patterns

Contrast sexual and asexual reproduction. What conditions would favour the evolution of one reproductive strategy over the other?

Species that are K-strategists tend to develop more rapidly than those that are r-strategists.

Which of the following statements is NOT true?

Humans are precocial because their offspring are born helpless and require intensive parental care.

Explain why most bird species are monogamous while most mammal species are polygynous.

________ are competitive species with stable populations of long-lived individuals.

The dominant phenotypes in a population may be determined by factors other than natural selection.

________ selection occurs when members of the same sex compete for access to the opposite sex.

Explain the advantage of the ability of an organism to possess both male and female organs.

R-strategists (MacArthur et al.)are most similar to Grime's

For many species, the number of offspring produced varies with the age and ________ of the parent.

Organisms reproduce either sexually or asexually, but never both.

Most species of vertebrates are iteroparous.

Which of the following is NOT proposed to explain the change in clutch size of birds with latitude?

Discuss the differences between r-strategists and K-strategists. Give an example of each.

Contrast altricial and precocial offspring and describe the conditions under which each is considered most advantageous.

Large body size is often positively correlated with fecundity.

Which of the following statements is incorrect?

The number of offspring produced by birds and mammals per reproductive event is fewer in temperate areas than in tropical areas.

________ is a mode of reproduction in which an organism expends all its energy in growth and reproduction and then dies.

The Nature of Ecology

Climate

The Aquatic Environment

The Terrestrial Environment

Ecological Genetics: Adaptation and Natural Selection

Plant Adaptations to the Environment

Animal Adaptations to the Environment

Properties of Populations

Population Growth

Intraspecific Population Regulation

Metapopulations

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Community Dynamics

Landscape Ecology

Systems Ecology

Ecosystem Energetic

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

Population Growth, Resource Use, and Sustainability

Conservation Ecology

Global Climate Change

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