Question 1

Which is the correct order of prey consumption in the Antarctic pelagic food web?

Accepted Answer

A) Krill$\rightarrow$Diatoms$\rightarrow$Ross seal$\rightarrow$Crabeater seal$\rightarrow$Killer Whale 
B) Diatoms$\rightarrow$Krill$\rightarrow$Ross seal$\rightarrow$Crabeater seal$\rightarrow$Killer Whale 
C) Diatoms$\rightarrow$Squid$\rightarrow$Emperor penguin$\rightarrow$Leopard seal$\rightarrow$Killer whale 
D) Krill$\rightarrow$Squid$\rightarrow$Weddell seal$\rightarrow$Leopard Seal$\rightarrow$Killer whale 
E) Diatoms$\rightarrow$Squid$\rightarrow$Krill$\rightarrow$Emperor penguin$\rightarrow$Leopard seal 
A) Krill$\rightarrow$Diatoms$\rightarrow$Ross seal$\rightarrow$Crabeater seal$\rightarrow$Killer Whale 
B) Diatoms$\rightarrow$Krill$\rightarrow$Ross seal$\rightarrow$Crabeater seal$\rightarrow$Killer Whale 
C) Diatoms$\rightarrow$Squid$\rightarrow$Emperor penguin$\rightarrow$Leopard seal$\rightarrow$Killer whale 
D) Krill$\rightarrow$Squid$\rightarrow$Weddell seal$\rightarrow$Leopard Seal$\rightarrow$Killer whale 
E) Diatoms$\rightarrow$Squid$\rightarrow$Krill$\rightarrow$Emperor penguin$\rightarrow$Leopard seal

Question 2

In Robert Paine's studies of the Washington intertidal community,which organism proved to be a keystone species?

Accepted Answer

A) the whelk Thais 
B) acorn barnacles 
C) chitons 
D) the starfish Pisaster 
E) limpets 
A) the whelk Thais 
B) acorn barnacles 
C) chitons 
D) the starfish Pisaster 
E) limpets

Question 3

Removal of Pisaster starfish in the Washington intertidal leads to a decline in diversity of other invertebrate species.

Accepted Answer

A) True 
 B)False

Question 4

In zooplankton and intertidal communities,as the overall diversity of the food web increases,the proportion of predators in the web

Accepted Answer

A) tends to decrease. 
B) tends to increase. 
C) first decreases,then increases again. 
D) first increases,then decreases again. 
E) stays about the same. 
A) tends to decrease. 
B) tends to increase. 
C) first decreases,then increases again. 
D) first increases,then decreases again. 
E) stays about the same.

Which is the correct order of prey consumption in the Antarctic pelagic food web?

In Robert Paine's studies of the Washington intertidal community,which organism proved to be a keystone species?

Removal of Pisaster starfish in the Washington intertidal leads to a decline in diversity of other invertebrate species.

In zooplankton and intertidal communities,as the overall diversity of the food web increases,the proportion of predators in the web

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Social Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions: Predation, herbivory, parasitism, and Disease

Mutualism

Species Abundance and Diversity

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

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Exam 17: Species Interactions and Community Structure

Which is the correct order of prey consumption in the Antarctic pelagic food web?

In Robert Paine's studies of the Washington intertidal community,which organism proved to be a keystone species?

Removal of Pisaster starfish in the Washington intertidal leads to a decline in diversity of other invertebrate species.

In zooplankton and intertidal communities,as the overall diversity of the food web increases,the proportion of predators in the web

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Social Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions: Predation, herbivory, parasitism, and Disease

Mutualism

Species Abundance and Diversity

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

Filters