Question 1

Herbivores are:

Accepted Answer

A) primary consumers 
B) secondary consumers 
C) decomposers 
D) scavengers 
A) primary consumers 
B) secondary consumers 
C) decomposers 
D) scavengers A

Question 2

Which of the following processes is not involved in the hydrologic cycle?

Accepted Answer

A) transpiration 
B) precipitation 
C) evaporation 
D) combustion 
A) transpiration 
B) precipitation 
C) evaporation 
D) combustion D

Question 3

The study of the interactions among organisms and between organisms and their abiotic environment that live and interact together within an area at the same time is:

Accepted Answer

A) ecosystem 
B) ecology 
C) landscape ecology 
D) biosphere 
A) ecosystem 
B) ecology 
C) landscape ecology 
D) biosphere B

Question 4

Which of the following processes plays an important role in the phosphorus cycle?

Accepted Answer

A) erosion 
B) nitrogen fixation 
C) combustion 
D) cellular respiration 
A) erosion 
B) nitrogen fixation 
C) combustion 
D) cellular respiration

Question 5

What is entropy?

Accepted Answer

A) the amount of energy in a system. 
B) the amount of work done. 
C) the efficiency of a system. 
D) the disorder in a system. 
A) the amount of energy in a system. 
B) the amount of work done. 
C) the efficiency of a system. 
D) the disorder in a system.

Question 6

Why are epiphytes considered commensal?

Accepted Answer

A) They feed on the tree they are living on. 
B) The tree is not harmed by the epiphytes. 
C) The tree benefits from the epiphytes that live on it. 
D) Both the tree and the epiphytes feed on each other. 
A) They feed on the tree they are living on. 
B) The tree is not harmed by the epiphytes. 
C) The tree benefits from the epiphytes that live on it. 
D) Both the tree and the epiphytes feed on each other.

Question 7

Approximately what percentage of the atmosphere is CO₂?

Accepted Answer

A) 0.001% 
B) 0.04% 
C) 10% 
D) 30% 
A) 0.001% 
B) 0.04% 
C) 10% 
D) 30%

Question 8

Define coevolution and list two examples.

Accepted Answer

Coevolution is the interdependent evolut

Question 9

Light is the energy source for which process?

Accepted Answer

A) respiration 
B) glycolysis 
C) transpiration 
D) none of these choices 
A) respiration 
B) glycolysis 
C) transpiration 
D) none of these choices

Question 10

Which of the following characterizes a symbiotic relationship?

Accepted Answer

A) a coevolved relationship where both species benefit 
B) a coevolved relationship where one species benefits and the other is not affected 
C) a coevolved relationship where one species benefits and the other is adversely affected 
D) all of these choices 
A) a coevolved relationship where both species benefit 
B) a coevolved relationship where one species benefits and the other is not affected 
C) a coevolved relationship where one species benefits and the other is adversely affected 
D) all of these choices

Question 11

Which of the following is an abiotic factor of the environment?

Accepted Answer

A) living spaces 
B) disease organisms 
C) fungus 
D) producers 
A) living spaces 
B) disease organisms 
C) fungus 
D) producers

Question 12

What is an organism's realized niche?

Accepted Answer

A) all the places an organism can survive 
B) lifestyle an organism pursues and the resources it actually uses 
C) the ecosystem where an animal lives and all the foods available to it 
D) idealized ecological niche of an organism 
A) all the places an organism can survive 
B) lifestyle an organism pursues and the resources it actually uses 
C) the ecosystem where an animal lives and all the foods available to it 
D) idealized ecological niche of an organism

Question 13

What important process might be severely impacted by colony collapse disorder?

Accepted Answer

A) nutrient cycling 
B) pollination 
C) symbiosis 
D) predation 
A) nutrient cycling 
B) pollination 
C) symbiosis 
D) predation

Question 14

Which term encompasses the other four?

Accepted Answer

A) community 
B) population 
C) species 
D) ecosystem 
A) community 
B) population 
C) species 
D) ecosystem

Question 15

What is the process that reduces nitrate (NO₃⁻)to gaseous nitrogen (N₂)called?

Accepted Answer

A) nitrification. 
B) ammonification. 
C) assimilation. 
D) denitrification. 
A) nitrification. 
B) ammonification. 
C) assimilation. 
D) denitrification.

Question 16

Which of the following is NOT an adaptation that would improve the efficiency of prey capture for a predator?

Accepted Answer

A) ambush 
B) warning coloration 
C) camouflage 
D) pursuit speed 
A) ambush 
B) warning coloration 
C) camouflage 
D) pursuit speed

Question 17

Why have some plants evolved mutualistic relationships with nitrogen-fixing bacteria?

Accepted Answer

A) The bacteria transform nitrogen into forms useful forms for the plants; the plants provide water and a place for the bacteria to live. 
B) The bacteria protect the plant from harmful effects of nitrogen compounds such as ammonia; the plants provide carbohydrates for the bacteria. 
C) The bacteria utilize nitrogen to produce energy for the plants; the plants provide the source of the nitrogen for the bacteria. 
D) The bacteria provide natural immunities to the plants; the plants shelter the bacteria from predators. 
A) The bacteria transform nitrogen into forms useful forms for the plants; the plants provide water and a place for the bacteria to live. 
B) The bacteria protect the plant from harmful effects of nitrogen compounds such as ammonia; the plants provide carbohydrates for the bacteria. 
C) The bacteria utilize nitrogen to produce energy for the plants; the plants provide the source of the nitrogen for the bacteria. 
D) The bacteria provide natural immunities to the plants; the plants shelter the bacteria from predators.

Question 18

What do we call an area of land that runoff drains into?

Accepted Answer

A) watershed 
B) estuary 
C) groundwater 
D) niche 
A) watershed 
B) estuary 
C) groundwater 
D) niche

Question 19

Which of the following is an example of co-evolution?

Accepted Answer

A) plants and carnivores 
B) fig trees and insect-eating birds 
C) sea urchins and orcas 
D) flowering plants and their pollinators 
A) plants and carnivores 
B) fig trees and insect-eating birds 
C) sea urchins and orcas 
D) flowering plants and their pollinators

Question 20

What is the step in the nitrogen cycle in which gaseous nitrogen is converted into ammonia?

Accepted Answer

A) ossification 
B) ammonification 
C) assimilation 
D) nitrogen fixation 
A) ossification 
B) ammonification 
C) assimilation 
D) nitrogen fixation

Herbivores are:

Which of the following processes is not involved in the hydrologic cycle?

The study of the interactions among organisms and between organisms and their abiotic environment that live and interact together within an area at the same time is:

Which of the following processes plays an important role in the phosphorus cycle?

What is entropy?

Why are epiphytes considered commensal?

Approximately what percentage of the atmosphere is CO₂?

Define coevolution and list two examples.

Light is the energy source for which process?

Which of the following characterizes a symbiotic relationship?

Which of the following is an abiotic factor of the environment?

What is an organism's realized niche?

What important process might be severely impacted by colony collapse disorder?

Which term encompasses the other four?

What is the process that reduces nitrate (NO₃⁻)to gaseous nitrogen (N₂)called?

Which of the following is NOT an adaptation that would improve the efficiency of prey capture for a predator?

Why have some plants evolved mutualistic relationships with nitrogen-fixing bacteria?

What do we call an area of land that runoff drains into?

Which of the following is an example of co-evolution?

What is the step in the nitrogen cycle in which gaseous nitrogen is converted into ammonia?

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

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Biodiversity and Conservation

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Exam 5: How Ecosystems Work

Herbivores are:

Which of the following processes is not involved in the hydrologic cycle?

The study of the interactions among organisms and between organisms and their abiotic environment that live and interact together within an area at the same time is:

Which of the following processes plays an important role in the phosphorus cycle?

What is entropy?

Why are epiphytes considered commensal?

Approximately what percentage of the atmosphere is CO₂?

Define coevolution and list two examples.

Light is the energy source for which process?

Which of the following characterizes a symbiotic relationship?

Which of the following is an abiotic factor of the environment?

What is an organism's realized niche?

What important process might be severely impacted by colony collapse disorder?

Which term encompasses the other four?

What is the process that reduces nitrate (NO₃⁻)to gaseous nitrogen (N₂)called?

Which of the following is NOT an adaptation that would improve the efficiency of prey capture for a predator?

Why have some plants evolved mutualistic relationships with nitrogen-fixing bacteria?

What do we call an area of land that runoff drains into?

Which of the following is an example of co-evolution?

What is the step in the nitrogen cycle in which gaseous nitrogen is converted into ammonia?

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

Renewable Energy Resources

Filters