Question 1

The reliance of a plant on one type of insect for pollination and that insect having only the nectar of that plant as its food source is an example of coevolution.

Accepted Answer

A) True 
 B)False

Question 2

Scientists observed that over the past 40 years,marmots are located at increasing elevations on mountains.What is the best explanation for this observation?

Accepted Answer

A) The marmots are adapting to the cold temperatures. 
B) Other species are competing with the marmots for their normal habitat. 
C) More snow and rain is falling at the top of the mountains. 
D) It is becoming colder at the top of the mountains. 
E) It is becoming warmer at the top of the mountains. 
A) The marmots are adapting to the cold temperatures. 
B) Other species are competing with the marmots for their normal habitat. 
C) More snow and rain is falling at the top of the mountains. 
D) It is becoming colder at the top of the mountains. 
E) It is becoming warmer at the top of the mountains.

Question 3

The different seasons of the year are caused by

Accepted Answer

A) the tilt of the Earth's axis as the Earth travels around the Sun. 
B) the rotation of the Earth around the Sun. 
C) the rotation of the Earth on its axis. 
D) the rotation of the moon around the Earth. 
E) the gravitational pull of the moon as it travels around the Earth. 
A) the tilt of the Earth's axis as the Earth travels around the Sun. 
B) the rotation of the Earth around the Sun. 
C) the rotation of the Earth on its axis. 
D) the rotation of the moon around the Earth. 
E) the gravitational pull of the moon as it travels around the Earth.

Question 4

Streams lead to rivers that carry water and sediment toward the ocean or an interior basin.

Accepted Answer

A) True 
 B)False

Question 5

Walleye pike fish are which of the following?

Accepted Answer

A) secondary consumers 
B) tertiary consumers 
C) primary consumers 
D) producers 
E) decomposers 
A) secondary consumers 
B) tertiary consumers 
C) primary consumers 
D) producers 
E) decomposers

Question 6

What types of plants would you expect to find in an alpine tundra?

Accepted Answer

A) tall trees 
B) aquatic plants 
C) lichens and mosses 
D) tall grasses 
E) cactus 
A) tall trees 
B) aquatic plants 
C) lichens and mosses 
D) tall grasses 
E) cactus

Question 7

Decomposers

Accepted Answer

A) obtain nutrients from detritus. 
B) return organic molecules to their inorganic form. 
C) include bacteria. 
D) include fungi. 
E) All answers are correct. 
A) obtain nutrients from detritus. 
B) return organic molecules to their inorganic form. 
C) include bacteria. 
D) include fungi. 
E) All answers are correct.

Question 8

Why are top-level predators like lions and eagles so rare in a community?

Accepted Answer

A) Only a small amount of the energy is passed from one trophic level to the next. 
B) They do not breed as fast as other animals. 
C) Predation by higher predators reduces their numbers. 
D) It is difficult for them to learn how to capture prey. 
E) Their job is to keep the population size of other animals in check. 
A) Only a small amount of the energy is passed from one trophic level to the next. 
B) They do not breed as fast as other animals. 
C) Predation by higher predators reduces their numbers. 
D) It is difficult for them to learn how to capture prey. 
E) Their job is to keep the population size of other animals in check.

Question 9

Which of the following is NOT a major terrestrial biome of Earth?

Accepted Answer

A) the temperate grasslands 
B) the tundra 
C) the taiga 
D) the Antarctic 
E) the tropical rain forest 
A) the temperate grasslands 
B) the tundra 
C) the taiga 
D) the Antarctic 
E) the tropical rain forest

Question 10

A type of symbiosis in which one member of the relationship benefits with no effect on the other is

Accepted Answer

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

Question 11

Which of the following biomes would you predict to be dependent on fire to prevent succession by trees?

Accepted Answer

A) desert 
B) chaparral 
C) grassland 
D) deciduous forest 
E) taiga 
A) desert 
B) chaparral 
C) grassland 
D) deciduous forest 
E) taiga

Question 12

Species within a community are interconnected;species are NOT interconnected within an ecosystem.

Accepted Answer

A) True 
 B)False

Question 13

In the section "Investigating Life: Two Kingdoms and a Virus Team Up to Beat the Heat",what did the scientists conclude from the figure?

Accepted Answer

A) Plants survived the heat best with virus-infected fungi. 
B) Plants survived the heat best with virus-free fungi. 
C) Plants survived the heat best without fungi. 
D) Plants survived the heat best when infected by the virus. 
E) Plants survived the heat best when not infected by the virus. 
A) Plants survived the heat best with virus-infected fungi. 
B) Plants survived the heat best with virus-free fungi. 
C) Plants survived the heat best without fungi. 
D) Plants survived the heat best when infected by the virus. 
E) Plants survived the heat best when not infected by the virus.

Question 14

The taiga

Accepted Answer

A) consists of mostly coniferous trees. 
B) has nutrient-rich soil. 
C) has a long growing season. 
D) is warm and dry. 
E) consists of mosses and lichens. 
A) consists of mostly coniferous trees. 
B) has nutrient-rich soil. 
C) has a long growing season. 
D) is warm and dry. 
E) consists of mosses and lichens.

Question 15

Mistletoe is a plant that grows in the branches of other trees.Mistletoe roots harm the host tree by penetrating the bark of the tree to steal water and nutrients.This is an example of

Accepted Answer

A) mutualism. 
B) commensalism. 
C) predation. 
D) parasitism. 
E) herbivory. 
A) mutualism. 
B) commensalism. 
C) predation. 
D) parasitism. 
E) herbivory.

Question 16

Examples of terrestrial biomes are grasslands,forests,lakes,and deserts.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT a component of a tropical marine community?

Accepted Answer

A) All of the answers are components of a tropical marine community. 
B) sunlight 
C) algae 
D) corals 
E) fishes 
A) All of the answers are components of a tropical marine community. 
B) sunlight 
C) algae 
D) corals 
E) fishes

Question 18

The type of succession that occurs in an area where no community previously existed is ______ succession.

Accepted Answer

A) keystone 
B) tertiary 
C) secondary 
D) climax 
E) primary 
A) keystone 
B) tertiary 
C) secondary 
D) climax 
E) primary

Question 19

Which of the following are abiotic interactions in an ecosystem?

Accepted Answer

A) competition and competitive exclusion 
B) mutualism and parasitism 
C) herbivory and predation 
D) None of the answers are abiotic interactions. 
E) All answers of the answers are abiotic interactions. 
A) competition and competitive exclusion 
B) mutualism and parasitism 
C) herbivory and predation 
D) None of the answers are abiotic interactions. 
E) All answers of the answers are abiotic interactions.

Question 20

If there are 10,000 calories of net primary productivity in an ecosystem,how much energy will be generally available to a secondary consumer?

Accepted Answer

A) 1,000 calories 
B) 100 calories 
C) 10,000 calories 
D) 10 calories 
E) 1 calorie 
A) 1,000 calories 
B) 100 calories 
C) 10,000 calories 
D) 10 calories 
E) 1 calorie

Exam 19: Communities and Ecosystems

The reliance of a plant on one type of insect for pollination and that insect having only the nectar of that plant as its food source is an example of coevolution.

Scientists observed that over the past 40 years,marmots are located at increasing elevations on mountains.What is the best explanation for this observation?

The different seasons of the year are caused by

Streams lead to rivers that carry water and sediment toward the ocean or an interior basin.

Walleye pike fish are which of the following?

What types of plants would you expect to find in an alpine tundra?

Decomposers

Why are top-level predators like lions and eagles so rare in a community?

Which of the following is NOT a major terrestrial biome of Earth?

A type of symbiosis in which one member of the relationship benefits with no effect on the other is

Which of the following biomes would you predict to be dependent on fire to prevent succession by trees?

Species within a community are interconnected;species are NOT interconnected within an ecosystem.

In the section "Investigating Life: Two Kingdoms and a Virus Team Up to Beat the Heat",what did the scientists conclude from the figure?

The taiga

Mistletoe is a plant that grows in the branches of other trees.Mistletoe roots harm the host tree by penetrating the bark of the tree to steal water and nutrients.This is an example of

Examples of terrestrial biomes are grasslands,forests,lakes,and deserts.

Which of the following is NOT a component of a tropical marine community?

The type of succession that occurs in an area where no community previously existed is ______ succession.

Which of the following are abiotic interactions in an ecosystem?

If there are 10,000 calories of net primary productivity in an ecosystem,how much energy will be generally available to a secondary consumer?

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

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