Biology UNIT 9 TEST

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tropical rainforest

anteaters, jungle

Ideally, an inventory of an ecosystem should be taken:

before a problem is suspected

chlorophyll

chemical associated with photosynthesis

deciduous forest

chipmunks, black bears, hardwood

The best word to describe a group of microorganisms which float on water is:

community

The complex process of photosynthesis is responsible for:

converting energy to basic food maintaining the food chain supplying energy to man

The biome that would best fit the description of "trees that lose their leaves in autumn" is:

deciduous forest

Which ecosystem is the most resistant to permanent change?

diverse organisms in a large region

What impact does the various energy conversion processes have on ecology?

energy conversion used by man usually produces pollution it is related to natural cycles which affect activities of ecosystem natural energy conversion can help maintain / restore balance

The building blocks of a habitat consists of -blank- factors

environmental

A basic source of pollution is from unnatural sources and people.

false

All the resources of solid waste shown in the pie graph are biodegradable.

false

Pollution caused by pesticides and fertilizers is limited to areas close to the source (farms)

false

photosynthesis

food-making process of green plants and algae

savanna

grass, deer

A whale is found in its natural

habitat

habitat

home for certain kinds of organisms

Ecology is the study of the -blank- between plants and animals.

interrelationships

Large industrial use of wind energy:

is restricted to localized areas of consistent wind

grassland

jack rabbits, foxes, badger

Why is satellite imagery usefull to ecologists?

large-scale regional studies of biomes can be mapped the predominant vegetation of an ecosystem can be monitored natural disasters can be surveyed outstanding environmental factors can be monitored

Which industry produces the largest quantity of solid wastes?

mining

What source of energy provides the majority of energy for the United States?

petroleum

The Earth's food chain starts with:

plants

coniferous forest

porcupines

The sampling technique which employs recording all the organisms within specified square area is called the -blank- technique.

quadrat

inventory

record of organisms /time / area

food chains

sun's energy is passed from plant, to animal, to animal, and so on

What is meant by "solar radiation equilibrium" in related ecology principle?

the complex atmospheric conditions combined with the net influx and radiation outflux produces a long term balance

What is true concerning an ecological community?

the ecosystem of multiple organisms, regardless of a real extent

Concerning the balance of pollutants in the biosphere:

the long term balance of the biosphere under current conditions is uncertain

Biomes are usually named from:

the variety of flora

Natural catastrophes can upset the balance of an ecosystem.

true

Organisms and their nonliving environment are connected.

true

Recycling of garbage, solid wastes and certain crops for generating energy has been accomplished already.

true

Disturbance of the natural environment often produces -blank- results.

unexpected

fresh water aquatic

water lilies, frogs

tundra

wolves, treeless


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