Question 1

What term or phrase is used to describe cumulative genetic changes in populations that occur over generations?

Accepted Answer

A) natural selection 
B) evolution 
C) genetic variation 
D) biodiversity 
A) natural selection 
B) evolution 
C) genetic variation 
D) biodiversity B

Question 2

Which of the following is the best definition of a biome?

Accepted Answer

A) A distinct aquatic ecosystem, surrounded by wetlands and terrestrial upland. 
B) A large distinct terrestrial region similar climate, soil, organisms, regardless of its global location. 
C) One of several types of forests occurring across the globe. 
D) A natural association that consists of all the populations of different species that live and interact together within an area at the same time. 
A) A distinct aquatic ecosystem, surrounded by wetlands and terrestrial upland. 
B) A large distinct terrestrial region similar climate, soil, organisms, regardless of its global location. 
C) One of several types of forests occurring across the globe. 
D) A natural association that consists of all the populations of different species that live and interact together within an area at the same time. B

Question 3

Which of the following characterizes both the savanna and the chaparral?

Accepted Answer

A) Periodic fires 
B) Extensive stands of trees 
C) Large herds of herbivorous mammals 
D) Soils with high mineral content 
A) Periodic fires 
B) Extensive stands of trees 
C) Large herds of herbivorous mammals 
D) Soils with high mineral content A

Question 4

Which of the following is NOT important in determining the distribution of organisms in aquatic biomes?

Accepted Answer

A) Light penetration 
B) Mineral nutrient concentrations 
C) Precipitation 
D) Salinity 
A) Light penetration 
B) Mineral nutrient concentrations 
C) Precipitation 
D) Salinity

Question 5

Freshwater wetlands and estuaries are highly productive and provide enough food to support a variety of organisms. Define a freshwater wetland and an estuary and discuss the ecologically important roles that these ecosystems play.

Accepted Answer

Lands that shallow fresh water covers fo

Question 6

The area that is dark green on the map below would MOST likely be what kind of biome?

Accepted Answer

A) chaparral 
B) desert 
C) tropical rainforest 
D) tundra 
A) chaparral 
B) desert 
C) tropical rainforest 
D) tundra

Question 7

Why is tall grass prairie North America's rarest biome?

Accepted Answer

A) Historically it only occurred in a very tiny region of North America. 
B) Because over 90% of this biome has been converted to agriculture 
C) Global warming has resulted in the conversion of most tall grass prairie to short grass prairie. 
D) Pollution has degraded most of our tall grass prairie region. 
A) Historically it only occurred in a very tiny region of North America. 
B) Because over 90% of this biome has been converted to agriculture 
C) Global warming has resulted in the conversion of most tall grass prairie to short grass prairie. 
D) Pollution has degraded most of our tall grass prairie region.

Question 8

Which of the following would be considered a biome?

Accepted Answer

A) Lake 
B) bay 
C) Meadow 
D) Desert 
A) Lake 
B) bay 
C) Meadow 
D) Desert

Question 9

The Boreal forest, or northern coniferous forest is also called the ________.

Accepted Answer

The answer of The Boreal forest, or northern coniferous forest...

Question 10

A biome that has mild, moist winters and hot, dry summers with many fire adapted plants is known as ____________.

Accepted Answer

The answer of A biome that has mild, moist winters...

Question 11

A large, relatively distinct terrestrial region with similar climate, soil, plants, and animals, regardless of where it occurs in the world is known as a(n)_________.

Accepted Answer

The answer of A large, relatively distinct terrestrial region with...

Question 12

Who wrote The Origin of Species by Means of Natural Selection (1859)?

Accepted Answer

A) G. F. Gause 
B) John Muir 
C) Carl Linnaeus 
D) Charles Darwin 
A) G. F. Gause 
B) John Muir 
C) Carl Linnaeus 
D) Charles Darwin

Question 13

Which of the following was not understood when Darwin was developing his theory of evolution by natural selection?

Accepted Answer

A) Surplus reproductive capacity of species. 
B) Variation among members of a species. 
C) Differential reproductive success. 
D) Mutations (changes in DN
A) . 
A) Surplus reproductive capacity of species. 
B) Variation among members of a species. 
C) Differential reproductive success. 
D) Mutations (changes in DN
A) .

Question 14

What distinguishes a savanna from other types of grasslands?

Accepted Answer

A) Warm dry summers and cold dry winters 
B) Widely scattered trees or clumps of trees 
C) Large grazing herbivores 
D) Large predators 
A) Warm dry summers and cold dry winters 
B) Widely scattered trees or clumps of trees 
C) Large grazing herbivores 
D) Large predators

Question 15

Which of the following BEST defines ecosystem services?

Accepted Answer

A) Important environmental benefits provided by ecosystems 
B) Environmental services that humans invest in conserving ecosystems 
C) Environmental activities that are unique to each ecosystem or biome 
D) Economic use of ecosystems as sinks 
A) Important environmental benefits provided by ecosystems 
B) Environmental services that humans invest in conserving ecosystems 
C) Environmental activities that are unique to each ecosystem or biome 
D) Economic use of ecosystems as sinks

Question 16

If each breeding pair of elephants produces 6 offspring during a 90-year life span, in 750 years, a single pair of elephants will have given rise to a population of 15 million elephants. Yet elephants have not overrun the planet. WHY?

Accepted Answer

A) Elephants have a niche that expands with the population. 
B) Elephants produce more offspring than will survive to maturity. 
C) Most elephants are kept in captivity (circus & zoo)and not allowed to reproduce. 
D) Individual elephants in a population exhibit no variation, reducing their reproductive success. 
A) Elephants have a niche that expands with the population. 
B) Elephants produce more offspring than will survive to maturity. 
C) Most elephants are kept in captivity (circus & zoo)and not allowed to reproduce. 
D) Individual elephants in a population exhibit no variation, reducing their reproductive success.

Question 17

Which of the following is the BEST example of primary succession?

Accepted Answer

A) A forest develops on abandoned farmland 
B) A forest develops on the edge of a retreating glacier 
C) A forest develops in the area of a forest fire 
D) A forest develops in the area of a devastating flood 
A) A forest develops on abandoned farmland 
B) A forest develops on the edge of a retreating glacier 
C) A forest develops in the area of a forest fire 
D) A forest develops in the area of a devastating flood

Question 18

Tundra is found in both the Northern and Southern Hemispheres.

Accepted Answer

A) True 
 B)False

Question 19

Draw a flow diagram of an old field undergoing succession. What type of succession is this and why?

Accepted Answer

The change in an old field over the year

Question 20

What kind of ecosystem is pictured here?

Accepted Answer

A) Fresh water lake 
B) Freshwater swamp 
C) Salt marsh 
D) Tropical rainforest 
A) Fresh water lake 
B) Freshwater swamp 
C) Salt marsh 
D) Tropical rainforest

What term or phrase is used to describe cumulative genetic changes in populations that occur over generations?

Which of the following is the best definition of a biome?

Which of the following characterizes both the savanna and the chaparral?

Which of the following is NOT important in determining the distribution of organisms in aquatic biomes?

Freshwater wetlands and estuaries are highly productive and provide enough food to support a variety of organisms. Define a freshwater wetland and an estuary and discuss the ecologically important roles that these ecosystems play.

The area that is dark green on the map below would MOST likely be what kind of biome?

Why is tall grass prairie North America's rarest biome?

Which of the following would be considered a biome?

The Boreal forest, or northern coniferous forest is also called the ________.

A biome that has mild, moist winters and hot, dry summers with many fire adapted plants is known as ____________.

A large, relatively distinct terrestrial region with similar climate, soil, plants, and animals, regardless of where it occurs in the world is known as a(n)_________.

Who wrote The Origin of Species by Means of Natural Selection (1859)?

Which of the following was not understood when Darwin was developing his theory of evolution by natural selection?

What distinguishes a savanna from other types of grasslands?

Which of the following BEST defines ecosystem services?

If each breeding pair of elephants produces 6 offspring during a 90-year life span, in 750 years, a single pair of elephants will have given rise to a population of 15 million elephants. Yet elephants have not overrun the planet. WHY?

Which of the following is the BEST example of primary succession?

Tundra is found in both the Northern and Southern Hemispheres.

Draw a flow diagram of an old field undergoing succession. What type of succession is this and why?

What kind of ecosystem is pictured here?

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

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Exam 6: Ecosystems and Evolution

What term or phrase is used to describe cumulative genetic changes in populations that occur over generations?

Which of the following is the best definition of a biome?

Which of the following characterizes both the savanna and the chaparral?

Which of the following is NOT important in determining the distribution of organisms in aquatic biomes?

Freshwater wetlands and estuaries are highly productive and provide enough food to support a variety of organisms. Define a freshwater wetland and an estuary and discuss the ecologically important roles that these ecosystems play.

The area that is dark green on the map below would MOST likely be what kind of biome?

Why is tall grass prairie North America's rarest biome?

Which of the following would be considered a biome?

The Boreal forest, or northern coniferous forest is also called the ________.

A biome that has mild, moist winters and hot, dry summers with many fire adapted plants is known as ____________.

A large, relatively distinct terrestrial region with similar climate, soil, plants, and animals, regardless of where it occurs in the world is known as a(n)_________.

Who wrote The Origin of Species by Means of Natural Selection (1859)?

Which of the following was not understood when Darwin was developing his theory of evolution by natural selection?

What distinguishes a savanna from other types of grasslands?

Which of the following BEST defines ecosystem services?

If each breeding pair of elephants produces 6 offspring during a 90-year life span, in 750 years, a single pair of elephants will have given rise to a population of 15 million elephants. Yet elephants have not overrun the planet. WHY?

Which of the following is the BEST example of primary succession?

Tundra is found in both the Northern and Southern Hemispheres.

Draw a flow diagram of an old field undergoing succession. What type of succession is this and why?

What kind of ecosystem is pictured here?

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

Renewable Energy Resources

Filters