Question 1

The ________ is an organism's role in its community.

Accepted Answer

The answer of The ________ is an organism's role in...

Question 2

The number of offspring produced by each reproducing member of a species, the ratio of males to females and the time it takes offspring to become reproductively mature are determinants of the ________ of a population.

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The answer of The number of offspring produced by each...

Question 3

The size of a population of a given species that can be indefinitely sustained by an ecosystem is its ________.

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The answer of The size of a population of a...

Question 4

The total biomass at each level of an ecosystem or the total amount of energy stored at each level of an ecosystem can be depicted with the use of a(n) ________.

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The answer of The total biomass at each level of...

Question 5

Unlike the carbon and nitrogen cycles, the phosphorous cycle is classified as a(n) ________ cycle because phosphorus never enters the atmosphere.

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Question 6

The process by which some bacteria convert nitrate to atmospheric nitrogen gas is called ________.

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Question 7

The point at which the number of births equals the number of deaths is called ________.

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Question 8

Excess sugar produced by plants is stored in the form of ________ in cells of their seeds, fruits, or roots.

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Question 9

Most primary producers are plants that generate simple, high energy carbohydrates through the process of photosynthesis. This biochemical event essentially captures sunlight and uses the energy to fuel pathways that lead to the production of useful products. How are plants able to capture sunlight to initiate this process?

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Question 10

During a murder investigation in your hometown, the crime scene investigation unit has discovered blow fly maggots developing on the body. As an amateur detective, you arrive on the scene just in time to explain to the investigators how the flies are serving as decomposers and carnivores at the same time. How is this possible?

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Question 11

Factors in the environment that limit the ability of a species to meet its biotic potential are known as ________ factors.

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Question 12

Match between columns
                        Premises: minerals in solid rock
carbon-containing compounds in fossil fuels
carbon dioxide in the atmosphere
a deer eating grass

Accepted Answer

The Answer of exchange pool and reservoir and biomass is...

Question 13

Match between columns
                        Premises: a human eating a dinner of broccoli, baked potatoes, and steak
a bee drinking nectar from a flower
a plant producing high energy carbohydrates from carbon dioxide and water, using energy from the sun
a cow feeding on grass in a field
a blow fly feeding on a corpse

Accepted Answer

The Answer of producer and decomposer, carnivore and omnivore and is...

Question 14

Match between columns
                        Premises: area in which the species is distributed
all populations of all species occupying the same geographical area
the role of an organism in its community
a community of organisms and the physical environment in which they live
the location of a particular organism; characterized by certain chemical and physical features

Accepted Answer

The Answer of ecosystem and geographic range and niche and is...

Quiz 23: Ecosystems and Populations