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Biology Chapter 16
Mrs. Stewart
39
Biology
9th Grade
11/22/2013

Additional Biology Flashcards

 


 

Cards

Term

Producers in an ecosystem transfer all of their energy to primary-level consumers

 

True

or

False

Definition

 

 

False

Term

Organisms at higher trophic levels tend to be fewer in

numbers than those at lower trophic levels

 

True

or

False

Definition

 

 

 

True

Term

Detritivores are especially harmful to an ecosystem

 

True

or

False

Definition

 

 

False

Term

A change in the number of predators in

a food web can affect an entire ecosystem

 

True

or

False

Definition

 

 

 

True

Term

Omnivores feed only on primary producers

 

True

or

False

Definition

 

 

 

False

Term

The lowest trophic level of any ecosystem is occupied

by the producers

 

True

or

False

Definition

 

 

 

True

Term

Ecosystems include only the biotic factors in an area

 

True

or

False

Definition

 

 

False

Term

Carbon is returned to the atmosphere by 

photosynthesis, combustion and erosion

 

True

or

False

Definition

 

 

 

False

Term

When succession takes place in an area where there

has been previous growth, it is called secondary succession

 

True

or

False

Definition

 

 

True

Term

Food chains usually begin with the primary producers

 

True

or

False

Definition

 

 

True

Term

Nitrogen gas makes up about 79 percent

of the Earth's atmosphere

 

True

or

False

Definition

 

 

 

True

Term

A community includes all the living

things within an area

 

True

or

False

Definition

 

 

 

True

Term

Plants release water into the atmosphere

through transpiration

 

True

or

False

Definition

 

 

True

Term

Biotic factors in a habitat includes the

nonliving as well as the living organisms

 

True

or

False

Definition

 

 

False

Term

When an organism dies, the nutrients in its body

 

are immediately release into the atmosphere

or

are released by the action of decomposers

Definition

 

 

 

are released by the action of decomposers

Term

[image]  How much energy is available to the organisms in level C?

10 percent of the energy in level B

90 percent of the energy in level B

Definition

 

 

10 percent of the energy in level B

Term

[image]Level A is composed of...

carnivores

or

producers

Definition

 

 

Producers

Term

[image]The diagram shows a(n)

food web

or

energy pyramid

Definition

 

 

energy pyramid

Term

Which of the following is part of the nitrogen cycle?

 

conversion of nitrogen from decaying organisms into ammonia

or

All of the above

 

Definition

 

 

All of the above

Term

Humans are affecting the carbon cycle by

 

burning fossil fuels

or

All of the above

Definition

 

 

 

All of the above

Term

The physical location of an ecosystem in which a

given species lives is called a

 

habitat

or

tropical level

Definition

 

 

 

habitat

Term

A relationship between a producer and

consumer is best illustrated by a

 

snake eating a bird

or

zebra eating grass

Definition

 

 

 

 

zebra eating grass

Term

Coal, oil and natural gas...

 

are formed from decayed plants

or

All of the above

Definition

 

 

 

All of the above

Term

 

Succession is...

 

the number of species living in an ecosystem

or

the regular progression of species replacement

in an environment

Definition

 

 

 

the regular progression of species replacement

in an environment

Term

A group of organisms of different species living together in a particulare place is called a

 

Community

or

Population

Definition

 

 

 

Community

Term

The total dry weight of the organisms in an

ecosystem is called

 

trophic level

or

biomass

Definition

 

 

 

biomass

Term

The primary producers in a grassland ecosystem

would most likely be

 

grasses

or

algae

Definition

 

 

Grasses

Term

Which of the following are detritivores?

 

worms

vultures

fungi

or

All of the above

 

 

Definition

 

 

All of the above

Term
[image] The photosynthetic algae are: producers or consumers
Definition

 

 

Producers

Term

The diagram,which shows how energy moves through an ecosystem, is known as a:

habitat or foodweb

[image]

Definition

 

 

Food web

Term

Lepopards seals are: herbivores or carnivores

 

[image]

Definition

 

 

 

carnivores

Term

Which of the following types of succession would most

likely occur following a forest fire?

 

Primary succession

or

secondary succession

Definition

 

 

seconday succession

Term

Nitrogen is a component of:

 

proteins

or

carbohydrates

Definition

 

 

proteins

Term

Precipitatioin and evaporation are important

components of the

 

nitrogen cycle

or

water cycle

Definition

 

 

 

Water cycle

Term

Because energy diminishes at each successive 

trophic level, few ecosystems can contain more than

 

four trophic levels

or

five trophic levels

Definition

 

 

 

four trophic levels

Term

The process shown in the diagram is known as:

competitive exclusion or succession

[image]

Definition

 

 

 

Successioin

Term

 

Ecology is the study of the interaction of living organisms:

 

and their communitites

or

with one another and their physical enironment

Definition

 

 

 

with one another and their physical environment

Term

The paths of water, carbon, nitrogen, & phosphorus pass from the nonliving environment to living organisms and back to the nonliving environment in closed circles called

 

environcycles

or

biogeochemical cycles

Definition

 

 

biogeochemical cycles

Term

An ecosystem consists of:

 

a community of organisms,

energy,

the soil, water and weather,

or

All of the above

Definition

 

 

 

All of the above

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