Question 1

Secondary succession usually takes hundreds to thousands of years.

Accepted Answer

A) True 
 B)False

Question 2

A population's growth rate will increase as the population reaches its carrying capacity.

Accepted Answer

A) True 
 B)False

Question 3

An area in primary ecological succession would be a suitable habitat for a population of hardwoods because of the availability of resources.

Accepted Answer

A) True 
 B)False

Question 4

Population change is equal to

Accepted Answer

A) (Births + Immigration) - (Deaths + Emigration) 
B) (Births + Emigration) - (Deaths + Immigration) 
C) (Deaths + Immigration) - (Births + Immigration) 
D) (Births - Deaths) + (Immigration - Emigration) 
E) (Births + Immigration ) + (Deaths - Emigration)

Question 5

The graph above shows the census count for two animal species, A and B, over a 31 year period.
a.Animal A and animal B have a predator-prey relationship.
-For the graph shown above of animal species A and animal species B, which animal is the predator and which animal is the prey species?

Accepted Answer

The answer of  
The graph above shows the census...

Question 6

-How is food competition reduced based on this image?

Accepted Answer

The answer of 
-How is food competition reduced based on...

Question 7

One of the reasons sharks are especially vulnerable to over fishing is because they grow slowly, mature late, and have only a few young each generation.

Accepted Answer

A) True 
 B)False

Question 8

Permanent equilibrium is a condition that most ecologists now recognize as existing in mature, late-successional ecosystems.

Accepted Answer

A) True 
 B)False

Question 9

Which reproductive pattern is most common, if one considers patterns seen in all animals?

Accepted Answer

A) Producing large numbers of offspring at short intervals, and providing no parental care or protection. 
B) Producing few offspring later in life, and providing extensive parental care and protection. 
C) A reproductive pattern that is somewhere between these two extremes. 
D) Most living organisms actually switch between the two patterns described in a and B.

Question 10

Cowbirds are so named because they followed the large herds of cows that were driven throughout the American west before large tracts of land were fenced.
a.Cowbirds consumed the insects that invariably followed the herds.
a.There was no obvious benefit or other effect on the herds.
a.This is an example of ____________________.

Accepted Answer

The answer of Cowbirds are so named because they followed...

Question 11

The terms inertia and stability, with respect to ecosystems, are mutually exclusive.

Accepted Answer

A) True 
 B)False

Question 12

The reindeer population on St.
a.Paul Island in the Bering Sea crashed because the birth rate decline did not occur fast enough after resources were depleted.
a.This is called a ____________________.

Accepted Answer

The answer of The reindeer population on St.
a.Paul Island in...

Question 13

The relationship between clownfish and sea anemones is

Accepted Answer

A) competition 
B) predation 
C) parasitism 
D) mutualism 
E) commensalism

Question 14

A population crash occurs when

Accepted Answer

A) A population approaches its carrying capacity. 
B) Environmental resistance comes into play gradually. 
C) Resources are essentially unlimited. 
D) A population greatly overshoots carrying capacity, and resulting environmental pressures cause effects. 
E) The population growth rate slows.

Question 15

A climax community is a(n)

Accepted Answer

A) community in primary succession 
B) community in secondary succession 
C) mature community 
D) immature community 
E) balanced community

Question 16

Which of the following would undergo secondary succession?

Accepted Answer

A) cooled volcanic lava 
B) an abandoned parking lot 
C) a heavily polluted stream that has been cleaned up 
D) a bare rock outcrop 
E) a newly created shallow pond

Question 17

A logistic growth curve depicting a population that is limited by a definite carrying capacity is shaped like the letter ____.

Accepted Answer

A) J 
B) L 
C) M 
D) S 
E) U

Question 18

It can be said that both primary and secondary succession are examples of natural ecological restoration.

Accepted Answer

A) True 
 B)False

Question 19

When populations of two different species interact over time in a way that drives changes in their gene pools, it can be said that __________________ occurs.

Accepted Answer

The answer of When populations of two different species interact...

Question 20

The interaction between a lion and a hyena fighting over a dead zebra on the African Savannah is best described as ____________________.

Accepted Answer

The answer of The interaction between a lion and a...

Exam 5: Biodiversity, Species Interactions, and Population Control

Secondary succession usually takes hundreds to thousands of years.

A population's growth rate will increase as the population reaches its carrying capacity.

An area in primary ecological succession would be a suitable habitat for a population of hardwoods because of the availability of resources.

Population change is equal to

The graph above shows the census count for two animal species, A and B, over a 31 year period. a.Animal A and animal B have a predator-prey relationship. -For the graph shown above of animal species A and animal species B, which animal is the predator and which animal is the prey species?

-How is food competition reduced based on this image?

One of the reasons sharks are especially vulnerable to over fishing is because they grow slowly, mature late, and have only a few young each generation.

Permanent equilibrium is a condition that most ecologists now recognize as existing in mature, late-successional ecosystems.

Which reproductive pattern is most common, if one considers patterns seen in all animals?

The terms inertia and stability, with respect to ecosystems, are mutually exclusive.

The reindeer population on St. a.Paul Island in the Bering Sea crashed because the birth rate decline did not occur fast enough after resources were depleted. a.This is called a ____________________.

The relationship between clownfish and sea anemones is

A population crash occurs when

A climax community is a(n)

Which of the following would undergo secondary succession?

A logistic growth curve depicting a population that is limited by a definite carrying capacity is shaped like the letter ____.

It can be said that both primary and secondary succession are examples of natural ecological restoration.

When populations of two different species interact over time in a way that drives changes in their gene pools, it can be said that __________________ occurs.

The interaction between a lion and a hyena fighting over a dead zebra on the African Savannah is best described as ____________________.