Question 1

Which lists the wavelengths that chlorophyll absorbs for photochemical operations?

Accepted Answer

A) Orange-red and violet-blue. 
B) Violet-blue and green-yellow. 
C) Orange-red and green-yellow. 
D) Yellow-red and violet-green. 
A) Orange-red and violet-blue. 
B) Violet-blue and green-yellow. 
C) Orange-red and green-yellow. 
D) Yellow-red and violet-green.

Question 2

There is little evidence supporting the contention that synthetic fertilizers disrupt natural biogeochemical cycles.

Accepted Answer

A) True 
 B)False

Question 3

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 correctly matched?

Accepted Answer

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

Question 4

Which of the following best describes possible impacts on ecosystems that might occur as a result of climate change?

Accepted Answer

A) Studies have demonstrated there will be no impact on plant distributions. 
B) The prairie grassland/northern forest boundary is now in central Nebraska and is unchanging. 
C) The prairie grassland/northern forest boundary is expected to move northward with increasing temperatures. 
D) Beech trees in eastern North America will not change in distribution. 
A) Studies have demonstrated there will be no impact on plant distributions. 
B) The prairie grassland/northern forest boundary is now in central Nebraska and is unchanging. 
C) The prairie grassland/northern forest boundary is expected to move northward with increasing temperatures. 
D) Beech trees in eastern North America will not change in distribution.

Question 5

Which is the specific,unique role that a species performs within a given area?

Accepted Answer

A) Ecotone. 
B) Habitat. 
C) Community. 
D) Niche. 
A) Ecotone. 
B) Habitat. 
C) Community. 
D) Niche.

Question 6

Epiphytic plants,such as various species of orchids (Orchidaceae),grow upon another plant,using the plants for physical support,but bringing no harm to the host plant.This 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 7

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is known as which of the following?

Accepted Answer

A) Altitude-latitude hypothesis. 
B) Vegetation similarity theory. 
C) The life zone concept. 
D) Altitudinal zonation principle. 
A) Altitude-latitude hypothesis. 
B) Vegetation similarity theory. 
C) The life zone concept. 
D) Altitudinal zonation principle.

Question 8

How is atmospheric nitrogen converted to a usable form in the biosphere?

Accepted Answer

A) Atmospheric nitrogen is directly available to plants and animals. 
B) It is absorbed into plants via stomata and converted within the plant to a usable form. 
C) Bacteria within root nodules of legumes chemically combine the atmospheric nitrogen into nitrates and ammonia. 
D) Atmospheric nitrogen is completely unavailable to plants and animals and,as a result,synthetic fertilizers must be used. 
A) Atmospheric nitrogen is directly available to plants and animals. 
B) It is absorbed into plants via stomata and converted within the plant to a usable form. 
C) Bacteria within root nodules of legumes chemically combine the atmospheric nitrogen into nitrates and ammonia. 
D) Atmospheric nitrogen is completely unavailable to plants and animals and,as a result,synthetic fertilizers must be used.

Question 9

Plants remove a relatively insignificant amount of carbon dioxide from the atmosphere.

Accepted Answer

A) True 
 B)False

Question 10

To which does "dead zone" refer?

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 areas in water bodies that limit marine and aquatic life. 
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 areas in water bodies that limit marine and aquatic life.

Question 11

Hydrogen,oxygen,and carbon together make up more than 99% of Earth's biomass.

Accepted Answer

A) True 
 B)False

Question 12

Which does photosynthesis convert?

Accepted Answer

A) Heat energy,carbon dioxide,and water into carbohydrates and oxygen. 
B) Heat energy,oxygen,and carbohydrates into carbon dioxide and water. 
C) Light energy,carbon dioxide,and water into carbohydrates and oxygen. 
D) Light energy,oxygen,and carbohydrates into carbon dioxide and water. 
A) Heat energy,carbon dioxide,and water into carbohydrates and oxygen. 
B) Heat energy,oxygen,and carbohydrates into carbon dioxide and water. 
C) Light energy,carbon dioxide,and water into carbohydrates and oxygen. 
D) Light energy,oxygen,and carbohydrates into carbon dioxide and water.

Question 13

An ecosystem is a self-regulating association of living plants and animals and their nonliving physical environment.

Accepted Answer

A) True 
 B)False

Question 14

In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?

Accepted Answer

A) Extreme desert. 
B) Woodland and shrubland. 
C) Tundra. 
D) Cultivated lands. 
A) Extreme desert. 
B) Woodland and shrubland. 
C) Tundra. 
D) Cultivated lands.

Question 15

An organism capable of synthesizing its own food and inorganic substances using sunlight or chemical energy is known as which of the following?

Accepted Answer

A) Heterotroph. 
B) Autotroph. 
C) Primary consumer. 
D) Secondary consumer. 
A) Heterotroph. 
B) Autotroph. 
C) Primary consumer. 
D) Secondary consumer.

Question 16

Contemporary biogeographic and ecological thinking posits that disturbance constantly disrupts ecosystems and a community may never reach the stage of climax community.

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

A) Respiration. 
B) Photosynthesis. 
C) Chemosynthesis. 
D) Transpiration. 
A) Respiration. 
B) Photosynthesis. 
C) Chemosynthesis. 
D) Transpiration.

Question 18

If a forest fire destroyed the vegetation in an area,but left some vestiges of the previously functioning community and the soil intact,what type of succession would follow?

Accepted Answer

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

Question 19

The distribution of species is based on both biotic and abiotic factors.

Accepted Answer

A) True 
 B)False

Question 20

Net primary productivity is a measurement of how much each individual plant photosynthesizes.

Accepted Answer

A) True 
 B)False

Which lists the wavelengths that chlorophyll absorbs for photochemical operations?

There is little evidence supporting the contention that synthetic fertilizers disrupt natural biogeochemical cycles.

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 correctly matched?

Which of the following best describes possible impacts on ecosystems that might occur as a result of climate change?

Which is the specific,unique role that a species performs within a given area?

Epiphytic plants,such as various species of orchids (Orchidaceae),grow upon another plant,using the plants for physical support,but bringing no harm to the host plant.This is an example of which symbiotic relationship?

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is known as which of the following?

How is atmospheric nitrogen converted to a usable form in the biosphere?

Plants remove a relatively insignificant amount of carbon dioxide from the atmosphere.

To which does "dead zone" refer?

Hydrogen,oxygen,and carbon together make up more than 99% of Earth's biomass.

Which does photosynthesis convert?

An ecosystem is a self-regulating association of living plants and animals and their nonliving physical environment.

In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?

An organism capable of synthesizing its own food and inorganic substances using sunlight or chemical energy is known as which of the following?

Contemporary biogeographic and ecological thinking posits that disturbance constantly disrupts ecosystems and a community may never reach the stage of climax community.

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

If a forest fire destroyed the vegetation in an area,but left some vestiges of the previously functioning community and the soil intact,what type of succession would follow?

The distribution of species is based on both biotic and abiotic factors.

Net primary productivity is a measurement of how much each individual plant photosynthesizes.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

River Systems

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Terrestrial Biomes

Filters

Exam 19: Ecosystem Essentials

Which lists the wavelengths that chlorophyll absorbs for photochemical operations?

There is little evidence supporting the contention that synthetic fertilizers disrupt natural biogeochemical cycles.

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 correctly matched?

Which of the following best describes possible impacts on ecosystems that might occur as a result of climate change?

Which is the specific,unique role that a species performs within a given area?

Epiphytic plants,such as various species of orchids (Orchidaceae),grow upon another plant,using the plants for physical support,but bringing no harm to the host plant.This is an example of which symbiotic relationship?

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is known as which of the following?

How is atmospheric nitrogen converted to a usable form in the biosphere?

Plants remove a relatively insignificant amount of carbon dioxide from the atmosphere.

To which does "dead zone" refer?

Hydrogen,oxygen,and carbon together make up more than 99% of Earth's biomass.

Which does photosynthesis convert?

An ecosystem is a self-regulating association of living plants and animals and their nonliving physical environment.

In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?

An organism capable of synthesizing its own food and inorganic substances using sunlight or chemical energy is known as which of the following?

Contemporary biogeographic and ecological thinking posits that disturbance constantly disrupts ecosystems and a community may never reach the stage of climax community.

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

If a forest fire destroyed the vegetation in an area,but left some vestiges of the previously functioning community and the soil intact,what type of succession would follow?

The distribution of species is based on both biotic and abiotic factors.

Net primary productivity is a measurement of how much each individual plant photosynthesizes.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

River Systems

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Terrestrial Biomes

Filters