Question 1

Energy is

Accepted Answer

A) lost in the form of heat as energy is passed up a food chain. 
B) added in the form of heat as energy is passed up a food chain. 
C) lost in the form of carbon dioxide as energy is passed up a food chain. 
D) added in the form of heat as carbon dioxide is passed down a food chain. 
A) lost in the form of heat as energy is passed up a food chain. 
B) added in the form of heat as energy is passed up a food chain. 
C) lost in the form of carbon dioxide as energy is passed up a food chain. 
D) added in the form of heat as carbon dioxide is passed down a food chain.

Question 2

-Examine the food web described by this figure.What would happen if the population of zooplankton decreased suddenly by 80% and stayed low for several years?

Accepted Answer

A) the arctic cod population would decrease 
B) the phytoplankton population would decrease 
C) the bearded seal population would increase 
D) the beluga whale population would increase 
A) the arctic cod population would decrease 
B) the phytoplankton population would decrease 
C) the bearded seal population would increase 
D) the beluga whale population would increase

Question 3

Moss invades and establishes itself on bare rock,accumulating the beginnings of soil.After several years,enough soil has become established that grasses begin to grow where there was once bare rock.Without the moss building up soil,the grasses would have had no chance.
-The establishment of the mosses on bare rock and eventual addition of grasses represents

Accepted Answer

A) a climax ecosystem. 
B) primary succession. 
C) secondary succession. 
D) intermediate succession. 
A) a climax ecosystem. 
B) primary succession. 
C) secondary succession. 
D) intermediate succession.

Energy is

-Examine the food web described by this figure.What would happen if the population of zooplankton decreased suddenly by 80% and stayed low for several years?

Science and the Environment

Economics, Politics, and Public Policy

Basic Needs of Living Things

Populations and Communities

Wild Species and Biodiversity

The Use and Restoration of Ecosystems

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Global Climate Change

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

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Exam 5: Ecosystems: Energy, Patterns, and Disturbance

Energy is

-Examine the food web described by this figure.What would happen if the population of zooplankton decreased suddenly by 80% and stayed low for several years?

Science and the Environment

Economics, Politics, and Public Policy

Basic Needs of Living Things

Populations and Communities

Wild Species and Biodiversity

The Use and Restoration of Ecosystems

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Global Climate Change

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

Filters