Question 1

Chlorophyll reflects predominately ____wavelengths of visible light.

Accepted Answer

A) red 
B) blue 
C) green 
D) indigo 
E) orange 
A) red 
B) blue 
C) green 
D) indigo 
E) orange

Question 2

C6H12O6 + 6O2 → 6CO +6H2O + heat energy is the generalized equation for

Accepted Answer

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

Question 3

Chlorophyll absorbs only the ____and ____ wavelengths for photochemical operations.

Accepted Answer

A) orange-red;violet-blue 
B) violet-blue;green-yellow 
C) orange-red;green-yellow 
D) yellow-red;violet-green 
E) yellow-red;green-yellow 
A) orange-red;violet-blue 
B) violet-blue;green-yellow 
C) orange-red;green-yellow 
D) yellow-red;violet-green 
E) yellow-red;green-yellow

Question 4

A dead zone refers to

Accepted Answer

A) terrestrial areas in which excessive nitrogen fertilizer has essentially burned the soil,preventing plants and microorganisms from living there. 
B) oligotrophic areas in water bodies that cannot support life due to lack of nutrients. 
C) an ecosystem that was cleared of all vegetation for slash and burn agriculture. 
D) hypoxic (low oxygen)areas in water bodies that limit marine and aquatic life. 
E) an ecosystem in which overhunting or overfishing has resulted in the removal of keystone species and,ultimately,faunal collapse. 
A) terrestrial areas in which excessive nitrogen fertilizer has essentially burned the soil,preventing plants and microorganisms from living there. 
B) oligotrophic areas in water bodies that cannot support life due to lack of nutrients. 
C) an ecosystem that was cleared of all vegetation for slash and burn agriculture. 
D) hypoxic (low oxygen)areas in water bodies that limit marine and aquatic life. 
E) an ecosystem in which overhunting or overfishing has resulted in the removal of keystone species and,ultimately,faunal collapse.

Question 5

The notion that the traits that help a species survive and reproduce are passed along more frequently than those that do not (i.e.differential reproduction and adaptation)is known as

Accepted Answer

A) Lamarckianism. 
B) punctuated equilibrium. 
C) natural selection. 
D) gradualism. 
E) competitive exclusion principle. 
A) Lamarckianism. 
B) punctuated equilibrium. 
C) natural selection. 
D) gradualism. 
E) competitive exclusion principle.

Question 6

Net primary productivity.Worldwide net primary productivity in grams of carbon per square meter per year (approximate values)

In which of the following areas would one tend to find the highest net primary productivity?

Accepted Answer

A) northern Brazil 
B) central Australia 
C) western Canada 
D) Eurasia 
E) Mongolia 
A) northern Brazil 
B) central Australia 
C) western Canada 
D) Eurasia 
E) Mongolia

Question 7

Respiration involves

Accepted Answer

A) the use of heat energy to react carbon dioxide with water to produce oxygen. 
B) a chemical reaction between carbohydrates and oxygen to produce carbon dioxide,water,and heat energy. 
C) a photochemical reaction involving carbon dioxide and water to produce carbohydrates and oxygen. 
D) a photochemical reaction involving carbon dioxide and oxygen to produce water and oxygen. 
E) a chemical reaction between carbon dioxide and water to produce oxygen and carbohydrates. 
A) the use of heat energy to react carbon dioxide with water to produce oxygen. 
B) a chemical reaction between carbohydrates and oxygen to produce carbon dioxide,water,and heat energy. 
C) a photochemical reaction involving carbon dioxide and water to produce carbohydrates and oxygen. 
D) a photochemical reaction involving carbon dioxide and oxygen to produce water and oxygen. 
E) a chemical reaction between carbon dioxide and water to produce oxygen and carbohydrates.

Question 8

A study of the spatial distribution of the coast redwood (Sequoia sempervirens)and the environmental factors that control that distribution would be an example of a topic studied in

Accepted Answer

A) biogeography. 
B) zoology. 
C) pedology. 
D) plant biology. 
E) systematics. 
A) biogeography. 
B) zoology. 
C) pedology. 
D) plant biology. 
E) systematics.

Question 9

Organisms that share the same feeding level (e.g.primary producers,primary consumers,secondary consumers,etc. )are said to be at the same

Accepted Answer

A) food web strand. 
B) niche order. 
C) trophic level. 
D) food pyramid level. 
E) food chain link. 
A) food web strand. 
B) niche order. 
C) trophic level. 
D) food pyramid level. 
E) food chain link.

Question 10

Which of the following is incorrect regarding the spatial variability of net primary productivity?

Accepted Answer

A) At temperate and high latitudes,the rate of carbon fixing is seasonally variable. 
B) Productivity rates are constantly high throughout the year in the tropics. 
C) Net primary productivity is highest in the fall and winter in temperate and high latitude areas. 
D) Productivity rates in deserts is much less than that of tropical regions. 
E) The highest average net primary productivity in a terrestrial ecosystem occurs in the tropical rain forests. 
A) At temperate and high latitudes,the rate of carbon fixing is seasonally variable. 
B) Productivity rates are constantly high throughout the year in the tropics. 
C) Net primary productivity is highest in the fall and winter in temperate and high latitude areas. 
D) Productivity rates in deserts is much less than that of tropical regions. 
E) The highest average net primary productivity in a terrestrial ecosystem occurs in the tropical rain forests.

Question 11

Describe the main components of the oxygen,carbon,and nitrogen cycles.

Accepted Answer

The carbon and oxygen cycles are interli

Question 12

What is biodiversity? How does biodiversity arise? Why is biodiversity important?

Accepted Answer

In the simplest terms,biodiversity is th

Question 13

When a random occurrence produces altered genetic material and inserts new traits into the inherited stream,____has occurred.

Accepted Answer

A) Lamarckian evolution 
B) punctuated equilibrium 
C) mutation 
D) vicariance 
E) limiting factor 
A) Lamarckian evolution 
B) punctuated equilibrium 
C) mutation 
D) vicariance 
E) limiting factor

Question 14

Approximately ____of the light energy arriving at the surface of a leaf is useful to chlorophyll.

Accepted Answer

A) 5% 
B) 10% 
C) 25% 
D) 50% 
E) 75% 
A) 5% 
B) 10% 
C) 25% 
D) 50% 
E) 75%

Question 15

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

Accepted Answer

A) open;open 
B) open;closed 
C) closed;open 
D) closed;closed 
E) semi-open;semi-closed 
A) open;open 
B) open;closed 
C) closed;open 
D) closed;closed 
E) semi-open;semi-closed

Question 16

The difference between the photosynthetic production of carbohydrates and the respiration loss of carbohydrates is known as

Accepted Answer

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

Question 17

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

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) quaternary 
E) quinary 
A) primary 
B) secondary 
C) tertiary 
D) quaternary 
E) quinary

Question 18

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

Accepted Answer

A) fungi 
B) plants 
C) chordates 
D) insects 
E) protozoa 
A) fungi 
B) plants 
C) chordates 
D) insects 
E) protozoa

Question 19

Which of the following is not considered among the greatest anthropogenic threats to biodiversity?

Accepted Answer

A) habitat loss 
B) introduction of non-native species 
C) air,water,and soil pollution 
D) climate change 
E) novel ecosystems 
A) habitat loss 
B) introduction of non-native species 
C) air,water,and soil pollution 
D) climate change 
E) novel ecosystems

Question 20

In which of the following marine/aquatic ecosystems would one tend to find the highest net primary productivity?

Accepted Answer

A) open ocean 
B) estuaries 
C) algal beds and reefs 
D) upwelling zone 
E) continental shelf 
A) open ocean 
B) estuaries 
C) algal beds and reefs 
D) upwelling zone 
E) continental shelf

Chlorophyll reflects predominately ____wavelengths of visible light.

C6H12O6 + 6O2 → 6CO +6H2O + heat energy is the generalized equation for

Chlorophyll absorbs only the and wavelengths for photochemical operations.

A dead zone refers to

The notion that the traits that help a species survive and reproduce are passed along more frequently than those that do not (i.e.differential reproduction and adaptation)is known as

Net primary productivity.Worldwide net primary productivity in grams of carbon per square meter per year (approximate values) In which of the following areas would one tend to find the highest net primary productivity?

Respiration involves

A study of the spatial distribution of the coast redwood (Sequoia sempervirens)and the environmental factors that control that distribution would be an example of a topic studied in

Organisms that share the same feeding level (e.g.primary producers,primary consumers,secondary consumers,etc. )are said to be at the same

Which of the following is incorrect regarding the spatial variability of net primary productivity?

Describe the main components of the oxygen,carbon,and nitrogen cycles.

What is biodiversity? How does biodiversity arise? Why is biodiversity important?

When a random occurrence produces altered genetic material and inserts new traits into the inherited stream,____has occurred.

Approximately ____of the light energy arriving at the surface of a leaf is useful to chlorophyll.

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

The difference between the photosynthetic production of carbohydrates and the respiration loss of carbohydrates is known as

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

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

Which of the following is not considered among the greatest anthropogenic threats to biodiversity?

In which of the following marine/aquatic ecosystems would one tend to find the highest net primary productivity?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth’s Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Terrestrial Biomes

Filters

Exam 19: Ecosystem Essentials

Chlorophyll reflects predominately ____wavelengths of visible light.

C6H12O6 + 6O2 → 6CO +6H2O + heat energy is the generalized equation for

Chlorophyll absorbs only the ____and ____ wavelengths for photochemical operations.

A dead zone refers to

The notion that the traits that help a species survive and reproduce are passed along more frequently than those that do not (i.e.differential reproduction and adaptation)is known as

Net primary productivity.Worldwide net primary productivity in grams of carbon per square meter per year (approximate values) In which of the following areas would one tend to find the highest net primary productivity?

Respiration involves

A study of the spatial distribution of the coast redwood (Sequoia sempervirens)and the environmental factors that control that distribution would be an example of a topic studied in

Organisms that share the same feeding level (e.g.primary producers,primary consumers,secondary consumers,etc. )are said to be at the same

Which of the following is incorrect regarding the spatial variability of net primary productivity?

Describe the main components of the oxygen,carbon,and nitrogen cycles.

What is biodiversity? How does biodiversity arise? Why is biodiversity important?

When a random occurrence produces altered genetic material and inserts new traits into the inherited stream,____has occurred.

Approximately ____of the light energy arriving at the surface of a leaf is useful to chlorophyll.

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

The difference between the photosynthetic production of carbohydrates and the respiration loss of carbohydrates is known as

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

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

Which of the following is not considered among the greatest anthropogenic threats to biodiversity?

In which of the following marine/aquatic ecosystems would one tend to find the highest net primary productivity?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth’s Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Terrestrial Biomes

Filters

Chlorophyll absorbs only the and wavelengths for photochemical operations.

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