Question 1

6CO2 + 6H2O + Light g C6H12O6 + 6O2 is the generalized equation for

Accepted Answer

A) photosynthesis. 
B) transpiration. 
C) chemosynthesis. 
D) respiration. 
A) photosynthesis. 
B) transpiration. 
C) chemosynthesis. 
D) respiration.

Question 2

In coral reefs,clownfish live unharmed among the poisonous tentacles of sea anemones.The sea anemones protect the clownfish from predation,while the clownfish scare off predators,such as the butterfly fish,which would otherwise eat the anemones.The clownfish may also provide important nutrients to the anemones.This arrangement is an example of which symbiotic relationship?

Accepted Answer

A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism 
A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism

Question 3

Addressing and mitigating climate change may become an essential component of species conservation.

Accepted Answer

A) True 
 B)False

Question 4

The term ecology literally means ʺthe study of the household.ʺ

Accepted Answer

A) True 
 B)False

Question 5

Bacteria have the largest number of known species among the major categories of living organisms.

Accepted Answer

A) True 
 B)False

Question 6

Greater biological diversity in an ecosystem leads to greater long-term stability and productivity.

Accepted Answer

A) True 
 B)False

Question 7

Photosynthesis involves

Accepted Answer

A) the use of sunlight to produce food sugars and oxygen to drive biological processes. 
B) the release of stored carbon dioxide in a process using sunlight. 
C) important reactions within the stems and roots of plants. 
D) a process known as respiration. 
A) the use of sunlight to produce food sugars and oxygen to drive biological processes. 
B) the release of stored carbon dioxide in a process using sunlight. 
C) important reactions within the stems and roots of plants. 
D) a process known as respiration.

Question 8

-The snail kite (Rostrhamus sociabilis)is a specialist that feeds on only one specific type of snail.By comparison,the Mallard Duck (Anas platyrhynchos)is a generalist that feeds on diverse food sources.Whereas the snail kite has a very limited range,the Mallard Duck has a very broad range.The snail kiteʹs diet is an example of a(n)

Accepted Answer

A) habitat 
B) ecological niche. 
C) limiting factor. 
D) range of tolerance. 
A) habitat 
B) ecological niche. 
C) limiting factor. 
D) range of tolerance.

Question 9

Which of the following has the highest number of known species?

Accepted Answer

A) Bacteria 
B) Plants 
C) Insects 
D) Chordates 
A) Bacteria 
B) Plants 
C) Insects 
D) Chordates

Question 10

A stable ecosystem is one that is not undergoing change.

Accepted Answer

A) True 
 B)False

Question 11

Earthʹs biosphere

Accepted Answer

A) consists of only terrestrial organisms,while the hydrosphere includes aquatic and marine organisms. 
B) is more a theoretical construct than an observable sphere of study. 
C) extends from the ocean floor to an altitude of approximately 8 km (5 mi)into the atmosphere. 
D) only includes the biotic components of an ecosystem,with the abiotic components being considered part of the lithosphere,hydrosphere,or atmosphere,respectively. 
A) consists of only terrestrial organisms,while the hydrosphere includes aquatic and marine organisms. 
B) is more a theoretical construct than an observable sphere of study. 
C) extends from the ocean floor to an altitude of approximately 8 km (5 mi)into the atmosphere. 
D) only includes the biotic components of an ecosystem,with the abiotic components being considered part of the lithosphere,hydrosphere,or atmosphere,respectively.

Question 12

A dead zone refers to

Accepted Answer

A) an ecosystem that was cleared of all vegetation for slash and burn agriculture. 
B) hypoxic areas in water bodies that limit marine and aquatic life. 
C) terrestrial areas in which excessive nitrogen fertilizer has essentially burned the soil,preventing plants and microorganisms from living there. 
D) oligotrophic areas in water bodies that cannot support life due to lack of nutrients. 
A) an ecosystem that was cleared of all vegetation for slash and burn agriculture. 
B) hypoxic areas in water bodies that limit marine and aquatic life. 
C) terrestrial areas in which excessive nitrogen fertilizer has essentially burned the soil,preventing plants and microorganisms from living there. 
D) oligotrophic areas in water bodies that cannot support life due to lack of nutrients.

Question 13

A study of dietary requirements of African bush elephants ( Loxodonta africana)in a savanna environment,and the role the elephants play in that environment,would be an example of a topic studied in

Accepted Answer

A) plant biology. 
B) pedology. 
C) biogeography. 
D) ecology. 
A) plant biology. 
B) pedology. 
C) biogeography. 
D) ecology.

Question 14

The term biodiversity encompasses not only the number and variety of different species,but also genetic variations within a species and the varieties of ecosystems,habitats,and communities in an area.

Accepted Answer

A) True 
 B)False

Question 15

The net photosynthesis for an entire ecosystem is known as the

Accepted Answer

A) net primary productivity. 
B) free air CO2 enrichment. 
C) net photosynthesis. 
D) compensation point. 
A) net primary productivity. 
B) free air CO2 enrichment. 
C) net photosynthesis. 
D) compensation point.

Question 16

What is biogeography? What subjects do biogeographers study? What is ecology? How does biogeography vary from ecology?

Accepted Answer

Biogeography is the study of the distrib

Question 17

Species extinctions have occurred throughout Earthʹs history,so the recent loss of species is of little concern.

Accepted Answer

A) True 
 B)False

Question 18

If a lava flow completely denudes a mountain,leaving only bare rock,what type of succession will follow?

Accepted Answer

A) Tertiary 
B) Primary 
C) Quaternary 
D) Secondary 
A) Tertiary 
B) Primary 
C) Quaternary 
D) Secondary

Question 19

Consider a simple food chain in which a grasshopper eats grass,the grasshopper is eaten by a frog,and the frog is eaten by a snake.Which of the following is NOT correctly matched?

Accepted Answer

A) Grasshopper herbivore 
B) Frog secondary consumer 
C) Grass autotroph 
D) Snake primary consumer 
A) Grasshopper herbivore 
B) Frog secondary consumer 
C) Grass autotroph 
D) Snake primary consumer

Question 20

An ecosystem is a(n)______system in terms of energy,and a(n)______system in terms of matter.

Accepted Answer

A) open; open 
B) closed; closed 
C) closed; open 
D) open; closed 
A) open; open 
B) closed; closed 
C) closed; open 
D) open; closed

6CO₂ + 6H₂O + Light g C₆H₁₂O₆ + 6O₂ is the generalized equation for

Addressing and mitigating climate change may become an essential component of species conservation.

The term ecology literally means ʺthe study of the household.ʺ

Bacteria have the largest number of known species among the major categories of living organisms.

Greater biological diversity in an ecosystem leads to greater long-term stability and productivity.

Photosynthesis involves

Which of the following has the highest number of known species?

A stable ecosystem is one that is not undergoing change.

Earthʹs biosphere

A dead zone refers to

A study of dietary requirements of African bush elephants ( Loxodonta africana)in a savanna environment,and the role the elephants play in that environment,would be an example of a topic studied in

The term biodiversity encompasses not only the number and variety of different species,but also genetic variations within a species and the varieties of ecosystems,habitats,and communities in an area.

The net photosynthesis for an entire ecosystem is known as the

What is biogeography? What subjects do biogeographers study? What is ecology? How does biogeography vary from ecology?

Species extinctions have occurred throughout Earthʹs history,so the recent loss of species is of little concern.

If a lava flow completely denudes a mountain,leaving only bare rock,what type of succession will follow?

Consider a simple food chain in which a grasshopper eats grass,the grasshopper is eaten by a frog,and the frog is eaten by a snake.Which of the following is NOT correctly matched?

An ecosystem is a(n)system in terms of energy,and a(n)system in terms of matter.

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

Filters

Exam 16: Energy Flows and Nutrient Cycles

6CO2 + 6H2O + Light g C6H12O6 + 6O2 is the generalized equation for

Addressing and mitigating climate change may become an essential component of species conservation.

The term ecology literally means ʺthe study of the household.ʺ

Bacteria have the largest number of known species among the major categories of living organisms.

Greater biological diversity in an ecosystem leads to greater long-term stability and productivity.

Photosynthesis involves

Which of the following has the highest number of known species?

A stable ecosystem is one that is not undergoing change.

Earthʹs biosphere

A dead zone refers to

A study of dietary requirements of African bush elephants ( Loxodonta africana)in a savanna environment,and the role the elephants play in that environment,would be an example of a topic studied in

The term biodiversity encompasses not only the number and variety of different species,but also genetic variations within a species and the varieties of ecosystems,habitats,and communities in an area.

The net photosynthesis for an entire ecosystem is known as the

What is biogeography? What subjects do biogeographers study? What is ecology? How does biogeography vary from ecology?

Species extinctions have occurred throughout Earthʹs history,so the recent loss of species is of little concern.

If a lava flow completely denudes a mountain,leaving only bare rock,what type of succession will follow?

Consider a simple food chain in which a grasshopper eats grass,the grasshopper is eaten by a frog,and the frog is eaten by a snake.Which of the following is NOT correctly matched?

An ecosystem is a(n)______system in terms of energy,and a(n)______system in terms of matter.

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

Filters

6CO₂ + 6H₂O + Light g C₆H₁₂O₆ + 6O₂ is the generalized equation for

An ecosystem is a(n)system in terms of energy,and a(n)system in terms of matter.