Question 1

RIFAs are a(n)____ species.

Accepted Answer

A) host 
B) parasitic 
C) pioneer 
D) keystone 
E) exotic 
A) host 
B) parasitic 
C) pioneer 
D) keystone 
E) exotic E

Question 2

About half of all Americans rely on ____ for their drinking water.

Accepted Answer

A) glaciers 
B) sea water 
C) stream water 
D) aquifers 
E) lake water 
A) glaciers 
B) sea water 
C) stream water 
D) aquifers 
E) lake water D

Question 3

Match the term or concept to the correct description.
-gas emitted from burning fuels,such as wood or oil

Accepted Answer

A) greenhouse effect 
B) carbon dioxide 
C) global climate change 
D) fossil fuels 
A) greenhouse effect 
B) carbon dioxide 
C) global climate change 
D) fossil fuels B

Question 4

Match the trophic category to the correct description.
-the end point of all trophic levels - fungi are most common

Accepted Answer

A) producer 
B) herbivore 
C) carnivore 
D) detritivore 
E) decomposer 
A) producer 
B) herbivore 
C) carnivore 
D) detritivore 
E) decomposer

Question 5

Although energy flows in one direction in an ecosystem,nutrients ____ through an ecosystem.

Accepted Answer

A) move from consumers to producers 
B) drive the energy flow 
C) build up 
D) deteriorate 
E) cycle 
A) move from consumers to producers 
B) drive the energy flow 
C) build up 
D) deteriorate 
E) cycle

Question 6

Considering the traditional view of ecological succession,which plant would most likely be a pioneer species in a primary succession event?

Accepted Answer

A) an oak tree that produces acorns dispersed by squirrels 
B) a snapdragon flower pollinated by bees 
C) a dandelion that produces seeds asexually, which are dispersed by the wind 
D) a perennial species such as Douglas fir trees 
E) a birch tree 
A) an oak tree that produces acorns dispersed by squirrels 
B) a snapdragon flower pollinated by bees 
C) a dandelion that produces seeds asexually, which are dispersed by the wind 
D) a perennial species such as Douglas fir trees 
E) a birch tree

Question 7

Examine the figure below of an Arctic food web.Match each term with the concept to which it best corresponds.  
-parasitic consumers

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 8

In most land ecosystems,____ food chains predominate.

Accepted Answer

A) decomposer 
B) detrital 
C) producer 
D) consumer 
E) grazing 
A) decomposer 
B) detrital 
C) producer 
D) consumer 
E) grazing

Question 9

Match the type of species interaction to the correct description.
-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

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

Question 10

An example of a nonbiological factor that affects community structure is ____.

Accepted Answer

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

Question 11

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 12

Nitrification is the process of ____.

Accepted Answer

A) converting nitrogen gas to ammonia 
B) converting nitrogen gas to nitrate 
C) converting ammonium to nitrate 
D) converting nitrate to ammonia 
E) converting nitrate to nitrogen gas 
A) converting nitrogen gas to ammonia 
B) converting nitrogen gas to nitrate 
C) converting ammonium to nitrate 
D) converting nitrate to ammonia 
E) converting nitrate to nitrogen gas

Question 13

Examine the figure below of the water cycle.Match each term with the concept to which it best corresponds.  
-transpiration (evaporation)from plants

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 14

Examine the figure below of the water cycle.Match each term with the concept to which it best corresponds.  
-precipitation into ocean

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 15

In an Arctic food web,the organisms in these pictures represent the ____.

Accepted Answer

A) second trophic level 
B) secondary consumers 
C) first trophic level 
D) primary consumers 
E) third trophic level 
A) second trophic level 
B) secondary consumers 
C) first trophic level 
D) primary consumers 
E) third trophic level

Question 16

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 17

Match the trophic category to the correct description.
-primary consumers

Accepted Answer

A) producer 
B) herbivore 
C) carnivore 
D) detritivore 
E) decomposer 
A) producer 
B) herbivore 
C) carnivore 
D) detritivore 
E) decomposer

Question 18

Match the type of species interaction to the correct description.
-A lynx searches for,and kills a snowshoe hare.

Accepted Answer

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

Question 19

Which is an example of a detritivore?

Accepted Answer

A) bacteria 
B) plants 
C) fungi 
D) crab 
E) protist 
A) bacteria 
B) plants 
C) fungi 
D) crab 
E) protist

Question 20

Carbon dioxide in the atmosphere ____.

Accepted Answer

A) is destroying the ozone layer 
B) has dramatically increased in the last few decades 
C) is one of the prime reasons for acid depositions 
D) is a waste gas produced by respiration and has no biological use 
E) can change spontaneously to carbon monoxide in sunlight 
A) is destroying the ozone layer 
B) has dramatically increased in the last few decades 
C) is one of the prime reasons for acid depositions 
D) is a waste gas produced by respiration and has no biological use 
E) can change spontaneously to carbon monoxide in sunlight

RIFAs are a(n)____ species.

About half of all Americans rely on ____ for their drinking water.

Match the term or concept to the correct description. -gas emitted from burning fuels,such as wood or oil

Match the trophic category to the correct description. -the end point of all trophic levels - fungi are most common

Although energy flows in one direction in an ecosystem,nutrients ____ through an ecosystem.

Considering the traditional view of ecological succession,which plant would most likely be a pioneer species in a primary succession event?

Examine the figure below of an Arctic food web.Match each term with the concept to which it best corresponds. -parasitic consumers

In most land ecosystems,____ food chains predominate.

Match the type of species interaction to the correct description. -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.

An example of a nonbiological factor that affects community structure is ____.

In contrast to predation,a parasite usually ____.

Nitrification is the process of ____.

Examine the figure below of the water cycle.Match each term with the concept to which it best corresponds. -transpiration (evaporation)from plants

Examine the figure below of the water cycle.Match each term with the concept to which it best corresponds. -precipitation into ocean

In an Arctic food web,the organisms in these pictures represent the ____.

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

Match the trophic category to the correct description. -primary consumers

Match the type of species interaction to the correct description. -A lynx searches for,and kills a snowshoe hare.

Which is an example of a detritivore?

Carbon dioxide in the atmosphere ____.

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

Filters

Exam 17: Communities And Ecosystems

RIFAs are a(n)____ species.

About half of all Americans rely on ____ for their drinking water.

Match the term or concept to the correct description. -gas emitted from burning fuels,such as wood or oil

Match the trophic category to the correct description. -the end point of all trophic levels - fungi are most common

Although energy flows in one direction in an ecosystem,nutrients ____ through an ecosystem.

Considering the traditional view of ecological succession,which plant would most likely be a pioneer species in a primary succession event?

Examine the figure below of an Arctic food web.Match each term with the concept to which it best corresponds. -parasitic consumers

In most land ecosystems,____ food chains predominate.

Match the type of species interaction to the correct description. -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.

An example of a nonbiological factor that affects community structure is ____.

In contrast to predation,a parasite usually ____.

Nitrification is the process of ____.

Examine the figure below of the water cycle.Match each term with the concept to which it best corresponds. -transpiration (evaporation)from plants

Examine the figure below of the water cycle.Match each term with the concept to which it best corresponds. -precipitation into ocean

In an Arctic food web,the organisms in these pictures represent the ____.

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

Match the trophic category to the correct description. -primary consumers

Match the type of species interaction to the correct description. -A lynx searches for,and kills a snowshoe hare.

Which is an example of a detritivore?

Carbon dioxide in the atmosphere ____.

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

Filters