Question 1

A dense canopy of trees, little leaf litter, and poor soil characterize

Accepted Answer

A) tropical forests. 
B) temperate forests. 
C) coniferous forests. 
D) chaparral. 
A) tropical forests. 
B) temperate forests. 
C) coniferous forests. 
D) chaparral. A

Question 2

During cellular respiration,

Accepted Answer

A) some of the energy in a glucose molecule is lost to the environment as heat, and some is converted to energy in ATP. 
B) all the energy in a glucose molecule is converted to energy in ATP. 
C) all the energy in a glucose molecule is lost to the environment as heat. 
D) the biomass of the organism increases. 
A) some of the energy in a glucose molecule is lost to the environment as heat, and some is converted to energy in ATP. 
B) all the energy in a glucose molecule is converted to energy in ATP. 
C) all the energy in a glucose molecule is lost to the environment as heat. 
D) the biomass of the organism increases. A

Question 3

When a cleaner shrimp cleans the mouth of an eel, we see an example of

Accepted Answer

A) parasitism. 
B) commensalism. 
C) predation. 
D) mutualism. 
A) parasitism. 
B) commensalism. 
C) predation. 
D) mutualism. D

Question 4

Humans are characterized by

Accepted Answer

A) Type I survivorship. 
B) Type II survivorship. 
C) Type III survivorship. 
D) none of the above 
A) Type I survivorship. 
B) Type II survivorship. 
C) Type III survivorship. 
D) none of the above

Question 5

A form of symbiosis that benefits one species of the interaction while having no effect on the other species is known as

Accepted Answer

A) parasitism. 
B) commensalism. 
C) predation. 
D) mutualism. 
A) parasitism. 
B) commensalism. 
C) predation. 
D) mutualism.

Question 6

Type I populations are typically associated with

Accepted Answer

A) exponential growth. 
B) short life expectancy. 
C) the production of many "inexpensive" offspring. 
D) large bodies. 
A) exponential growth. 
B) short life expectancy. 
C) the production of many "inexpensive" offspring. 
D) large bodies.

Question 7

The relationship between a flea and the animal it feeds off of is an example of

Accepted Answer

A) parasitism. 
B) commensalism. 
C) symbiosis. 
D) both A and C 
A) parasitism. 
B) commensalism. 
C) symbiosis. 
D) both A and C

Question 8

On average, what percent of the energy at one level of the food chain becomes available at the next level of the food chain?

Accepted Answer

A) 1% 
B) 10% 
C) 50% 
D) 90% 
A) 1% 
B) 10% 
C) 50% 
D) 90%

Question 9

Permanently frozen subsoil characterizes

Accepted Answer

A) coniferous forests. 
B) tundra. 
C) temperate grasslands. 
D) chaparral. 
A) coniferous forests. 
B) tundra. 
C) temperate grasslands. 
D) chaparral.

Question 10

What is symbiosis? Define the three types of symbiosis and provide an example of each.

Accepted Answer

Symbiosis describes a situation where in

Question 11

Fungi that consume dead organic matter are

Accepted Answer

A) producers. 
B) primary consumers. 
C) secondary consumers. 
D) decomposers. 
A) producers. 
B) primary consumers. 
C) secondary consumers. 
D) decomposers.

Question 12

The global human population

Accepted Answer

A) consumes fewer resources in a year than Earth can provide. 
B) has decreased its resource consumption in the last decade. 
C) would consume fewer total resources if everyone in the world consumed as many resources as the average American. 
D) needs 1.5 Earths to sustain its current rate of consumption. 
A) consumes fewer resources in a year than Earth can provide. 
B) has decreased its resource consumption in the last decade. 
C) would consume fewer total resources if everyone in the world consumed as many resources as the average American. 
D) needs 1.5 Earths to sustain its current rate of consumption.

Question 13

Bacteria that photosynthesize are

Accepted Answer

A) producers. 
B) primary consumers. 
C) secondary consumers. 
D) decomposers. 
A) producers. 
B) primary consumers. 
C) secondary consumers. 
D) decomposers.

Question 14

What is the difference between a community and an ecosystem?

Accepted Answer

A community consists of all th

Question 15

What is a Type I species? A Type III species? Provide an example of each.

Accepted Answer

Type I species have low death rates earl

Question 16

The global human population is expected to

Accepted Answer

A) grow faster and faster over the next century. 
B) crash in the next century. 
C) exceed 10 billion by 2100. 
D) begin to decrease by 2100. 
A) grow faster and faster over the next century. 
B) crash in the next century. 
C) exceed 10 billion by 2100. 
D) begin to decrease by 2100.

Question 17

All the organisms that live in a specific area and all the abiotic features of their environment make up a(n)

Accepted Answer

A) population. 
B) community. 
C) ecosystem. 
D) food web. 
A) population. 
B) community. 
C) ecosystem. 
D) food web.

Question 18

Mollusks and crustaceans are most likely to live in the ________ zone of a lake.

Accepted Answer

A) littoral 
B) limnetic 
C) profundal 
D) neritic 
A) littoral 
B) limnetic 
C) profundal 
D) neritic

Question 19

Why are many Type III species found in relatively unstable environments, whereas many Type I species occupy fairly stable environments?

Accepted Answer

In unstable environments, life and death

Question 20

Species in which death rates are high early in life, with few individuals surviving until late in life, are characterized by

Accepted Answer

A) Type I survivorship. 
B) Type II survivorship. 
C) Type III survivorship. 
D) none of the above 
A) Type I survivorship. 
B) Type II survivorship. 
C) Type III survivorship. 
D) none of the above

Exam 21: Ecology

A dense canopy of trees, little leaf litter, and poor soil characterize

During cellular respiration,

When a cleaner shrimp cleans the mouth of an eel, we see an example of

Humans are characterized by

A form of symbiosis that benefits one species of the interaction while having no effect on the other species is known as

Type I populations are typically associated with

The relationship between a flea and the animal it feeds off of is an example of

On average, what percent of the energy at one level of the food chain becomes available at the next level of the food chain?

Permanently frozen subsoil characterizes

What is symbiosis? Define the three types of symbiosis and provide an example of each.

Fungi that consume dead organic matter are

The global human population

Bacteria that photosynthesize are

What is the difference between a community and an ecosystem?

What is a Type I species? A Type III species? Provide an example of each.

The global human population is expected to

All the organisms that live in a specific area and all the abiotic features of their environment make up a(n)

Mollusks and crustaceans are most likely to live in the ________ zone of a lake.

Why are many Type III species found in relatively unstable environments, whereas many Type I species occupy fairly stable environments?

Species in which death rates are high early in life, with few individuals surviving until late in life, are characterized by

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