Question 1

Interspecific competition is competition occurring between individuals of the same species.

Accepted Answer

A) True 
 B)False

Question 2

On average, only about ____ percent of the energy available at one trophic level is passed on to the next trophic level.

Accepted Answer

A)  1 
B)  5 
C)  10 
D)  90 
E)  50

Question 3

Link areas of the Ocean with the associated terms.
-Intertidal Zone

Accepted Answer

A) Open Ocean 
B) Near Shore 
C) Primary Production 
D) Benthic area exposed during low tide

Question 4

Match the direction of net movement of water to the type of extracellular solution.
-hypotonic solution

Accepted Answer

A) into cells 
B) out of cells 
C) no net movement

Question 5

Match the type of organism to a role.
-phytoplankton

Accepted Answer

A) primary producer 
B) first-order consumer 
C) DOM producer 
D) detritivores

Question 6

Link the words.
-Nitrogen

Accepted Answer

A) Limiting nutrient 
B) Water movement 
C) Twilight zone 
D) Solute concentration

Question 7

Osmoconforming animals, such as the spider crab, that live in the open ocean show little ability to withstand large variations in salinity, while coastal animals, such as the closely related fiddler crab, show great ability to withstand large salinity changes. Explain why this is the case, considering the relevant abiotic features of both habitats.

Accepted Answer

The answer of Osmoconforming animals, such as the spider crab,...

Question 8

Ecology is:

Accepted Answer

A)  a type of life style. 
B)  the study of the interaction of organisms and their environment. 
C)  a place where organisms live. 
D)  what happens when a predator consumes a prey item. 
E)  the study of the physical environment in an ecosystem.

Question 9

Match the chemical with the cycle.
-NH3

Accepted Answer

A) Hydrologic 
B) Carbon 
C) Nitrogen

Question 10

Decomposers play an important role in the biogeochemical cycling of nitrogen.

Accepted Answer

A) True 
 B)False

Question 11

Link the words.
-Osmosis

Accepted Answer

A) Limiting nutrient 
B) Water movement 
C) Twilight zone 
D) Solute concentration

Question 12

In the carbon cycle, animals play a fundamental role by:

Accepted Answer

A)  decreasing the amount of dissolved carbon dioxide. 
B)  increasing the amount of dissolved carbon dioxide as a result of respiration. 
C)  increasing the amount of dissolved carbon dioxide as a result of photosynthesis. 
D)  decreasing the amount of plant biomass. 
E)  decreasing it as a result of photosynthesis.

Question 13

Predators that prevent the population of their prey from exploding and thus outcompeting their prey are called:

Accepted Answer

A)  regulators. 
B)  herbivores. 
C)  keystone species. 
D)  omnivores. 
E)  decomposers.

Question 14

An organism's niche can be described in terms of abiotic and biotic factors.

Accepted Answer

A) True 
 B)False

Question 15

Match each phrase with its correct term.
-Community

Accepted Answer

A) Populations of species in a area 
B) Mussels on a rocky shore 
C) Sum of biotic processes interacting in a large area with similar abiotic factors

Question 16

Match the types of competition with a brief description.
-Intraspecific Competition

Accepted Answer

A) Among members of a single species 
B) Between members of different species 
C) Local extirpation of a species

Question 17

You are a resource manager of a large eutrophic lake. After stopping the source of nutrients from entering the lake, what further steps could you do to improve the water quality?

Accepted Answer

A)  introduce phytoplankton-consuming fish. 
B)  introduce freshwater sponges into the lake. 
C)  introduce aquatic plants into the habitat. 
D)  introduce carnivorous fish into the lake.

Question 18

Important nutrients for photosynthesis include:

Accepted Answer

A)  nitrogen and phosphate. 
B)  phosphate and oxygen. 
C)  nitrogen and oxygen. 
D)  calcium and oxygen. 
E)  glucose and oxygen.

Question 19

____ are good examples of consumers.

Accepted Answer

A)  Omnivores 
B)  Detritivores 
C)  Herbivores 
D)  Carnivores. 
E)  All of the above.

Question 20

The relationship between the clownfish and the sea anemone it is associated with is an example of mutualism.

Accepted Answer

A) True 
 B)False

Exam 2: Fundamentals of Ecology

Interspecific competition is competition occurring between individuals of the same species.

On average, only about ____ percent of the energy available at one trophic level is passed on to the next trophic level.

Link areas of the Ocean with the associated terms. -Intertidal Zone

Match the direction of net movement of water to the type of extracellular solution. -hypotonic solution

Match the type of organism to a role. -phytoplankton

Link the words. -Nitrogen

Ecology is:

Match the chemical with the cycle. -NH₃

Decomposers play an important role in the biogeochemical cycling of nitrogen.

Link the words. -Osmosis

In the carbon cycle, animals play a fundamental role by:

Predators that prevent the population of their prey from exploding and thus outcompeting their prey are called:

An organism's niche can be described in terms of abiotic and biotic factors.

Match each phrase with its correct term. -Community

Match the types of competition with a brief description. -Intraspecific Competition

You are a resource manager of a large eutrophic lake. After stopping the source of nutrients from entering the lake, what further steps could you do to improve the water quality?

Important nutrients for photosynthesis include:

____ are good examples of consumers.

The relationship between the clownfish and the sea anemone it is associated with is an example of mutualism.

Exam 2: Fundamentals of Ecology

Interspecific competition is competition occurring between individuals of the same species.

On average, only about ____ percent of the energy available at one trophic level is passed on to the next trophic level.

Link areas of the Ocean with the associated terms. -Intertidal Zone

Match the direction of net movement of water to the type of extracellular solution. -hypotonic solution

Match the type of organism to a role. -phytoplankton

Link the words. -Nitrogen

Ecology is:

Match the chemical with the cycle. -NH3

Decomposers play an important role in the biogeochemical cycling of nitrogen.

Link the words. -Osmosis

In the carbon cycle, animals play a fundamental role by:

Predators that prevent the population of their prey from exploding and thus outcompeting their prey are called:

An organism's niche can be described in terms of abiotic and biotic factors.

Match each phrase with its correct term. -Community

Match the types of competition with a brief description. -Intraspecific Competition

You are a resource manager of a large eutrophic lake. After stopping the source of nutrients from entering the lake, what further steps could you do to improve the water quality?

Important nutrients for photosynthesis include:

____ are good examples of consumers.

The relationship between the clownfish and the sea anemone it is associated with is an example of mutualism.

Match the chemical with the cycle. -NH₃