Question 1

Grime's classification of plant life histories focuses attention on

Accepted Answer

A)   stress and disturbance.
B)   stress and nutrient availability.
C)   disturbance and gene flow.
D)   disturbance and plant species diversity.
E)   r- vs. K-selection.F) A) and B)
G) C) and D)

Question 2

Life history consists of the adaptations of an organism that influence aspects of its biology, such as (Select all that apply.)

Accepted Answer

A)   its habitat.
B)   its fecundity.
C)   its body size at maturity.
D)   its mortality.E) B) and C)
F) All of the above

Question 3

As a fraction of adult mass, the mass of offspring at independence tends to be largest in

Accepted Answer

A)   mammals.
B)   altricial birds.
C)   lizards.
D)   both mammals and lizards.
E)   All three groups have similar values.F) A) and B)
G) B) and E)

Question 4

Seeds bearing elaisomes are likely to be dispersed by

Accepted Answer

A)   ants.
B)   wind.
C)   water.
D)   birds.
E)   scatterhoarding mammals.F) A) and D)
G) B) and D)

Question 5

Turner and Trexler found a ________ relationship between egg size and ________ in the darter populations that live in rivers and streams of central North America.

Accepted Answer

A)   positive; gene flow
B)   positive; egg number
C)   positive; female size
D)   positive; clutch size
E)   negative; gene flowF) A) and D)
G) D) and E)

Question 6

In Grime's classification, stress-tolerant plants

Accepted Answer

A)   live under conditions of high stress and also high disturbance.
B)   grow rapidly.
C)   are very palatable to herbivores.
D)   conserve nutrients and water.
E)   All of the choices are correct.F) A) and E)
G) A) and D)

Question 7

In Grime's classification, a plant species adapted to highly disturbed environments is called a ________ species.

Accepted Answer

The answer of In Grime's classification, a plant species adapted...

Question 8

Westoby, Leishman, and Lord found that on average, ________ produce the largest seeds.

Accepted Answer

A)   forbs
B)   woody plants
C)   climbing plants and vines
D)   graminoids
E)   herbsF) C) and D)
G) B) and E)

Question 9

Among fish species, an "opportunistic" life history is characterized by

Accepted Answer

A)   high juvenile survival, large numbers of offspring, and early maturity.
B)   high juvenile survival, large numbers of offspring, and late maturity.
C)   low juvenile survival, low number of offspring, and early maturity.
D)   traits that maximize colonizing ability for environments that do not vary much in time or space.
E)   traits that maximize colonizing ability for environments that are very stressful.F) B) and E)
G) A) and D)

Question 10

Plants and animals are responding to climate warming by changing the timing of their life history.

Accepted Answer

A) True 
 B)False

Question 11

A fish maturing late with large body size and producing many small offspring would be said to have a(n)

Accepted Answer

A)   periodic life history.
B)   opportunistic life history.
C)   equilibrium life history.
D)   precocial life history.
E)   stress-tolerant life history.F) A) and C)
G) A) and E)

Question 12

The study of the relationship between climate and the timing of ecological events is called

Accepted Answer

A)   ecology.
B)   phenology.
C)   oenology.
D)   climatology.
E)   life history theory.F) A) and E)
G) All of the above

Question 13

According to research by Westoby, Leishman, and Lord, plants that disperse their seeds in different ways tend to produce seeds of different sizes. Which is the correct order of seed mass from smallest to largest?

Accepted Answer

A)   Vertebrate-dispersed, ant-dispersed, scatterhoarded, wind-dispersed
B)   Unassisted, ant-dispersed, scatterhoarded, wind-dispersed
C)   Scatterhoarded, vertebrate-dispersed, ant-dispersed, adhesion-adapted
D)   Unassisted, adhesion-adapted, ant-dispersed, scatterhoarded
E)   Unassisted, adhesion-adapted, wind-dispersed, ant-dispersedF) C) and E)
G) B) and E)

Question 14

________ show more variation in life history traits than any other group.

Accepted Answer

A)   All of the choices show equal amounts of variation in life history traits.
B)   Mammals
C)   Birds
D)   Reptiles
E)   FishF) All of the above
G) D) and E)

Question 15

"Riparian" refers to plant communities occurring

Accepted Answer

A)   in the tropics.
B)   at high altitudes.
C)   along the edges of deserts.
D)   in permanently flooded areas.
E)   in transitions between riverbanks and upland areas.F) A) and E)
G) None of the above

Exam 12: Life Histories

Turner and Trexler found a relationship between egg size and in the darter populations that live in rivers and streams of central North America.

Correct Answer
verified

Seeds bearing elaisomes are likely to be dispersed by

Correct Answer
verified

________ show more variation in life history traits than any other group.

Correct Answer
verified

"Riparian" refers to plant communities occurring

Correct Answer
verified

Life history consists of the adaptations of an organism that influence aspects of its biology, such as (Select all that apply.)

Correct Answer
verified

Plants and animals are responding to climate warming by changing the timing of their life history.

Correct Answer
verified

According to research by Westoby, Leishman, and Lord, plants that disperse their seeds in different ways tend to produce seeds of different sizes. Which is the correct order of seed mass from smallest to largest?

Correct Answer
verified

Grime's classification of plant life histories focuses attention on

Correct Answer
verified

In Grime's classification, a plant species adapted to highly disturbed environments is called a ________ species.

Correct Answer
verified

Westoby, Leishman, and Lord found that on average, ________ produce the largest seeds.

Correct Answer
verified

As a fraction of adult mass, the mass of offspring at independence tends to be largest in

Correct Answer
verified

A fish maturing late with large body size and producing many small offspring would be said to have a(n)

Correct Answer
verified

Among fish species, an "opportunistic" life history is characterized by

Correct Answer
verified

The study of the relationship between climate and the timing of ecological events is called

Correct Answer
verified

In Grime's classification, stress-tolerant plants

Correct Answer
verified

Exam 12: Life Histories

Turner and Trexler found a ________ relationship between egg size and ________ in the darter populations that live in rivers and streams of central North America.

Correct AnswerverifiedShow Answer

Seeds bearing elaisomes are likely to be dispersed by

Correct AnswerverifiedShow Answer

________ show more variation in life history traits than any other group.

Correct AnswerverifiedShow Answer

"Riparian" refers to plant communities occurring

Correct AnswerverifiedShow Answer

Life history consists of the adaptations of an organism that influence aspects of its biology, such as (Select all that apply.)

Correct AnswerverifiedShow Answer

Plants and animals are responding to climate warming by changing the timing of their life history.

Correct AnswerverifiedShow Answer

According to research by Westoby, Leishman, and Lord, plants that disperse their seeds in different ways tend to produce seeds of different sizes. Which is the correct order of seed mass from smallest to largest?

Correct AnswerverifiedShow Answer

Grime's classification of plant life histories focuses attention on

Correct AnswerverifiedShow Answer

In Grime's classification, a plant species adapted to highly disturbed environments is called a ________ species.

Correct AnswerverifiedShow Answer

Westoby, Leishman, and Lord found that on average, ________ produce the largest seeds.

Correct AnswerverifiedShow Answer

As a fraction of adult mass, the mass of offspring at independence tends to be largest in

Correct AnswerverifiedShow Answer

A fish maturing late with large body size and producing many small offspring would be said to have a(n)

Correct AnswerverifiedShow Answer

Among fish species, an "opportunistic" life history is characterized by

Correct AnswerverifiedShow Answer

The study of the relationship between climate and the timing of ecological events is called

Correct AnswerverifiedShow Answer

In Grime's classification, stress-tolerant plants

Correct AnswerverifiedShow Answer

Turner and Trexler found a relationship between egg size and in the darter populations that live in rivers and streams of central North America.

Correct Answer
verified

Correct Answer
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Correct Answer
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