Question 1

Match between columns
                        Premises: the end point of all trophic levels - fungi are most common

Accepted Answer

The Answer of detritivore and producer and carnivore and decomposer is...

Question 2

Approximately ____ of Earth's total primary production is supplied by the ocean's primary producers.

Accepted Answer

A) one fourth 
B) one third 
C) half 
D) three fourths 
E) all 
A) one fourth 
B) one third 
C) half 
D) three fourths 
E) all

Question 3

Match between columns
                        Premises: transpiration (evaporation)from plants

Accepted Answer

The Answer of A and D and C and B is...

Question 4

The interaction between two species in which both species may be harmed is known as ____.

Accepted Answer

A) parasitism 
B) mutualism 
C) competition 
D) predation 
E) commensalism 
A) parasitism 
B) mutualism 
C) competition 
D) predation 
E) commensalism

Question 5

In this figure, what do the yellow arrows marked #1 and #2 indicate?

Accepted Answer

A) light energy 
B) heat energy 
C) greenhouse gases 
D) atmospheric gases 
E) carbon dioxide 
A) light energy 
B) heat energy 
C) greenhouse gases 
D) atmospheric gases 
E) carbon dioxide

Question 6

This orchid attached to a tree branch is an example of ____.

Accepted Answer

A) competition 
B) parasitism 
C) predation 
D) commensalism 
E) mutualism 
A) competition 
B) parasitism 
C) predation 
D) commensalism 
E) mutualism

Question 7

Match between columns
                        Premises: cellular respiration

Accepted Answer

The Answer of D and A and B and E is...

Question 8

In contrast to predation, a parasite usually ____.

Accepted Answer

A) does not kill its host 
B) always kills its host 
C) is a short-term visitor 
D) is larger than its host 
E) does not harm its host 
A) does not kill its host 
B) always kills its host 
C) is a short-term visitor 
D) is larger than its host 
E) does not harm its host

Question 9

The nitrogen cycle on land begins with ____.

Accepted Answer

A) nitrification 
B) denitrification 
C) decomposition 
D) uptake by producers 
E) nitrogen fixation 
A) nitrification 
B) denitrification 
C) decomposition 
D) uptake by producers 
E) nitrogen fixation

Question 10

Match between columns
                        Premises: Lichens and mosses live on the branches of trees and are benefited by being up and out of the shade where they carry out more photosynthesis. The tree is unharmed by their presence.

Accepted Answer

The Answer of parasitism and commensalism and competition and predation is...

Question 11

Many introduced species have deleterious effects on communities and ecosystems because ____.

Accepted Answer

A) coevolved parasites and pathogens are absent 
B) the introduced species are long-lived 
C) predators prefer the introduced species, resulting in proliferation of native prey species 
D) the community from which they came lost an important predator, competitor, or parasite 
E) human beings do not know how to appreciate them 
A) coevolved parasites and pathogens are absent 
B) the introduced species are long-lived 
C) predators prefer the introduced species, resulting in proliferation of native prey species 
D) the community from which they came lost an important predator, competitor, or parasite 
E) human beings do not know how to appreciate them

Question 12

In a typical predator-prey relationship, ____.

Accepted Answer

A) the predator exerts selective pressure on its prey 
B) the prey exerts selective pressure on its predator 
C) the predator will not kill its prey 
D) the predator feeds on carcasses 
E) predator and prey exert selective pressures on each other 
A) the predator exerts selective pressure on its prey 
B) the prey exerts selective pressure on its predator 
C) the predator will not kill its prey 
D) the predator feeds on carcasses 
E) predator and prey exert selective pressures on each other

Question 13

A community refers to ____.

Accepted Answer

A) the interaction between populations and their environment 
B) the interaction between species and their environment 
C) an area in which a single species lives 
D) all species that live and interact in a specific area 
E) the nonliving components of an area 
A) the interaction between populations and their environment 
B) the interaction between species and their environment 
C) an area in which a single species lives 
D) all species that live and interact in a specific area 
E) the nonliving components of an area

Question 14

An array of organisms together with their physical environment is referred to as a(n)____.

Accepted Answer

A) population 
B) community 
C) ecosystem 
D) biosphere 
E) landscape 
A) population 
B) community 
C) ecosystem 
D) biosphere 
E) landscape

Question 15

Which represents an early stage in primary succession?

Accepted Answer

A) pine tree growth 
B) mosses and lichen on bare rock 
C) weedy annual plants in an open field 
D) climax species in succession 
E) fields of food crops 
A) pine tree growth 
B) mosses and lichen on bare rock 
C) weedy annual plants in an open field 
D) climax species in succession 
E) fields of food crops

Question 16

Match between columns
                        Premises: parasitic consumers

Accepted Answer

The Answer of B and C and A and D is...

Question 17

Which term denotes the conditions, resources, and interactions necessary for survival and reproduction of a species?

Accepted Answer

A) habitat 
B) niche 
C) carrying capacity 
D) community 
E) ecosystem 
A) habitat 
B) niche 
C) carrying capacity 
D) community 
E) ecosystem

Question 18

Match between columns
                        Premises: primary consumer

Accepted Answer

The Answer of A and C and B and D is...

Question 19

The relationship between the yucca plant and the yucca moth that pollinates it is best described as  ____.

Accepted Answer

A) commensalism 
B) parasitism 
C) predation 
D) mutualism 
E) competition 
A) commensalism 
B) parasitism 
C) predation 
D) mutualism 
E) competition

Question 20

An example of keystone species are ____.

Accepted Answer

A) beavers that build dams 
B) mice that feed on mushrooms and truffles 
C) Douglas fir trees 
D) kudzu 
E) earthworms that aid decomposition 
A) beavers that build dams 
B) mice that feed on mushrooms and truffles 
C) Douglas fir trees 
D) kudzu 
E) earthworms that aid decomposition

Exam 17: Communities and Ecosystems

Approximately ____ of Earth's total primary production is supplied by the ocean's primary producers.

The interaction between two species in which both species may be harmed is known as ____.

In this figure, what do the yellow arrows marked #1 and #2 indicate?

This orchid attached to a tree branch is an example of ____.

In contrast to predation, a parasite usually ____.

The nitrogen cycle on land begins with ____.

Many introduced species have deleterious effects on communities and ecosystems because ____.

In a typical predator-prey relationship, ____.

A community refers to ____.

An array of organisms together with their physical environment is referred to as a(n)____.

Which represents an early stage in primary succession?

Which term denotes the conditions, resources, and interactions necessary for survival and reproduction of a species?

The relationship between the yucca plant and the yucca moth that pollinates it is best described as ____.

An example of keystone species are ____.

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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