Question 1

________ are NOT an r-strategist.

Accepted Answer

A)  Annual plants 
B)  Dolphins 
C)  Algae 
D)  Mosquitoes 
A)  Annual plants 
B)  Dolphins 
C)  Algae 
D)  Mosquitoes

Question 2

The sea otter was extirpated from the BC coast due to ________.

Accepted Answer

A)  disease 
B)  overhunting 
C)  predation by killer whales 
D)  habitat loss 
A)  disease 
B)  overhunting 
C)  predation by killer whales 
D)  habitat loss

Question 3

Climate change will lead to a shift in biomes towards the equator.

Accepted Answer

A) True 
 B)False

Question 4

Succession associated with natural aging of aquatic environments is called eutrophication.

Accepted Answer

A) True 
 B)False

Question 5

Net primary productivity in mature ecosystems is lower than in immature ecosystems.

Accepted Answer

A) True 
 B)False

Question 6

Primary succession occurs ________.

Accepted Answer

A)  following a forest fire 
B)  where glaciers have recently retreated 
C)  following a clear-cut 
D)  on abandoned agricultural land 
A)  following a forest fire 
B)  where glaciers have recently retreated 
C)  following a clear-cut 
D)  on abandoned agricultural land

Question 7

The following is NOT a predicted effect of climate change: ________.

Accepted Answer

A)  a reduction in forested areas 
B)  species extinction 
C)  earlier spring migrations 
D)  shift of life zones towards the equator 
A)  a reduction in forested areas 
B)  species extinction 
C)  earlier spring migrations 
D)  shift of life zones towards the equator

Question 8

Organisms found outside their normal range are called ________.

Accepted Answer

A)  alien species 
B)  introduced species 
C)  non-native species 
D)  All of the above 
A)  alien species 
B)  introduced species 
C)  non-native species 
D)  All of the above

Question 9

Lichens ________.

Accepted Answer

A)  are the same as mosses 
B)  are partnerships between fungi and photosynthetic algae 
C)  are partnerships between a moss and a plant 
D)  only grow on bare rocks 
A)  are the same as mosses 
B)  are partnerships between fungi and photosynthetic algae 
C)  are partnerships between a moss and a plant 
D)  only grow on bare rocks

Question 10

K-strategists produce many offspring early in their lives.

Accepted Answer

A) True 
 B)False

Question 11

Many aquatic invasive species are introduced ________.

Accepted Answer

A)  in firewood transport 
B)  in ballast water 
C)  intentionally 
D)  in food shipments 
A)  in firewood transport 
B)  in ballast water 
C)  intentionally 
D)  in food shipments

Question 12

Humans often seek to maintain ecosystems in early successional stages. Why do they do this and what are the implications?

Accepted Answer

Humans seek to maintain ecosystems in ea

Question 13

Define positive and negative feedback loops and provide one example of each.

Accepted Answer

Feedback maintains stability in ecosyste

Question 14

Density-dependant organisms have a population growth curve that ________.

Accepted Answer

A)  is S-shaped 
B)  is unsustainable 
C)  increases in growth rate as population increases 
D)  is straight 
A)  is S-shaped 
B)  is unsustainable 
C)  increases in growth rate as population increases 
D)  is straight

________ are NOT an r-strategist.

The sea otter was extirpated from the BC coast due to ________.

Climate change will lead to a shift in biomes towards the equator.

Succession associated with natural aging of aquatic environments is called eutrophication.

Net primary productivity in mature ecosystems is lower than in immature ecosystems.

Primary succession occurs ________.

The following is NOT a predicted effect of climate change: ________.

Organisms found outside their normal range are called ________.

Lichens ________.

K-strategists produce many offspring early in their lives.

Many aquatic invasive species are introduced ________.

Humans often seek to maintain ecosystems in early successional stages. Why do they do this and what are the implications?

Define positive and negative feedback loops and provide one example of each.

Density-dependant organisms have a population growth curve that ________.

Environment, Resources, and Society

Responding to Global Environmental Change

Energy Flows and Ecosystems

Ecosystems and Matter Cycling

Planning and Management Perspectives

Planning and Management: Processes and Methods

Climate Change

Oceans and Fisheries

Forests

Agriculture

Water

Minerals and Energy

Urban Environmental Management

Endangered Species and Protected Areas

Filters

Exam 4: Ecosystems Are Dynamic

________ are NOT an r-strategist.

The sea otter was extirpated from the BC coast due to ________.

Climate change will lead to a shift in biomes towards the equator.

Succession associated with natural aging of aquatic environments is called eutrophication.

Net primary productivity in mature ecosystems is lower than in immature ecosystems.

Primary succession occurs ________.

The following is NOT a predicted effect of climate change: ________.

Organisms found outside their normal range are called ________.

Lichens ________.

K-strategists produce many offspring early in their lives.

Many aquatic invasive species are introduced ________.

Humans often seek to maintain ecosystems in early successional stages. Why do they do this and what are the implications?

Define positive and negative feedback loops and provide one example of each.

Density-dependant organisms have a population growth curve that ________.

Environment, Resources, and Society

Responding to Global Environmental Change

Energy Flows and Ecosystems

Ecosystems and Matter Cycling

Planning and Management Perspectives

Planning and Management: Processes and Methods

Climate Change

Oceans and Fisheries

Forests

Agriculture

Water

Minerals and Energy

Urban Environmental Management

Endangered Species and Protected Areas

Filters