Chapters 3 & 4 - Ecology Unit Review

Question 1

Lichens are

Accepted Answer

pioneer species

Question 2

All the things in a shallow desert pool of water is an example of _______________.

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ecosystem

Question 3

Which is a waste product of the photosynthesis process?

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oxygen

Question 4

The algae, insect larvae, protozoan and other living things in a large puddle would be a(n) ...

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biological community

Question 5

Converting atmospheric nitrogen gas (N2) to ammonia is called

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nitrogen fixation

Question 6

Which of the following occurs during the ecological succession of an ecosystem?

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Living organisms modify their environment a little at a time

Question 7

Which is an example of mutualism?

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a fish protecting a shrimp, who builds a burrow to share

Question 8

An organism's interaction with biotic and abiotic factors of its environment is called it's

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niche

Question 9

What type of succession takes place after lava from a volcanic eruption covers an area?

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primary succession

Question 10

Which of these would be at the TOP of an energy pyramid?

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tertiary consumers

Question 11

Which statement is true about the movement of energy through an ecosystem?

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Energy flows one way through an ecosystem and is lost.

Question 12

All the conifer forests growing in Canada is an example of a(n) _____________.

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biome

Question 13

Which is an example of how biotic and abiotic factors interact?

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rain seeps into the ground and softens a seed coat

Question 14

White-tailed deer eat tree leaves.

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predation

Question 15

The producer in an aquatic food chain is

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phytoplankton

Question 16

Algae are most likely to be found in the

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photic zone

Question 17

The weathering of rocks releases a substance essential for the growth of many autotrophs called

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phosphorus

Question 18

A large school of barracuda is an example of a __________.

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population

Question 19

Which organisms are most likely to be found in a climax community?

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trees

Question 20

One organism benefits, while another is unharmed during a relationship between the two.

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commensalism

Question 21

Ecology is the scientific discipline that studies all the interactions between ...

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organisms and their environments

Question 22

The region of land a jaguar must roam to collect food would be an example of a(n) __________.

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habitat

Question 23

Which statement is true about the movement of matter through an ecosystem?

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Matter is recycled in ecosystems

Question 24

The lowest level of organization the contains both living and non-living factors

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ecosystem

Question 25

The deciduous forests of the eastern United States is an example of a(n) ____________.

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biome

Question 26

A mushroom feeding on a dead log is an example of a(n) ____________.

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decomposer

Question 27

Which of the following is an autotroph?

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algae

Question 28

All invertebrates and fish on the barrier reef off the coast of Belize is an example of a(n)

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biological community

Question 29

Autotrophs living in the aphotic zone carry out

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chemosynthesis

Question 30

Iron, water, and sugar are examples of matter that are ____________.

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nutrients

Question 31

No two species can occupy exactly the same niche at the same time; this is referring to

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competitive exclusion

Question 32

Which organisms capture atmospheric nitrogen for the process of nitrogen fixation?

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bacteria

Question 33

All the groups of organisms that interact with each other in the same region is a(n) _________.

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biological community

Question 34

A red-tailed hawk and a black racer snake prey on the same rodents in the same habitat.

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competition

Question 35

Which of the following is NOT a freshwater ecosystem?

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an estuary

Question 36

A tick becomes lodged on the skin of a hiker is an example of _____________.

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parasitism

Question 37

All the pumpkinseed sunfish living in a lake is an example of a(n) ____________.

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population

Question 38

Which is part of the biogeochemical cycle?

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carbon trapped on the ocean floor

Question 39

Which is an abiotic factor?

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an ocean current of cold water

Question 40

Plants are

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producers & autotrophs

Question 41

Another word for consumers are

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heterotrophs

Question 42

Which of these would be at the BOTTOM of an energy pyramid?

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primary producers

Question 43

A process that removes CO2 from the atmosphere is

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photosynthesis

Question 44

A fire destroyed a forest, but left the soil intact. If the forest grows back, what occurred?

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secondary succession

Question 45

The oceans, lower atmosphere, and continents are parts of the __________.

Accepted Answer

biosphere

Chapters 3 & 4 - Ecology Unit Review

Questions 45

Chapters 3 & 4 - Ecology Unit Review

Questions 45