Biology Test - Ecology, Pollution, and Energy

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The complex process of photosynthesis is responsible for:

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

What are some examples of natural pollution?

- volcanoes - forest fires - floods

What impact does the various energy conversion processes have on ecology? 1. none of the above are related to ecosystems 2. energy conversion used by man usually produces pollution 3. natural energy conversion can help maintain/ restore balance 4. it is related to natural cycles which affect activities of ecosystems

2, 3, and 4

Why is satellite imagery useful to ecologists? 1. all natural factors can be identified 2. individual high resolution of ecosystems is possible 3. the fauna of an ecosystem can be counted 4. the predominant vegetation of an ecosystem can be monitored 5. small habitats can be observed 6. large-scale regional studies of biomes can be mapped 7. natural disasters can be surveyed 8. all vegetation types of ecosystems can be identified 9. outstanding environmental factors can be monitored

4, 6, 7, and 9

Pollution caused by pesticides and fertilizers is limited to areas close to the source (farms). True or False?

False

Natural catastrophes can upset the balance of an ecosystem. True or False?

True

Organisms and their nonliving environment are connected. True or False?

True

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

True

Ideally, an inventory of an ecosystem should be taken:

before a problem is suspected

chemical associated with photosynthesis =

chlorophyll

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

community

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

deciduous forest

chipmunks, black bears, hardwood =

deciduous forest

Which ecosystem is the most resistant to permanent change?

diverse organisms in a large region

The building blocks of a habitat consist of ___________________ factors.

environmental

Associate the unique flora and fauna with the biome. coniferous forest:

evergreens

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

food energy

water lilies, frogs =

fresh water aquatic

jack rabbits, foxes, badger =

grassland

A whale is found in its natural ___________

habitat

home for certain kinds of organisms =

habitat

Ecology is the study of the _______________________ between plants and animals.

interrelationships

record of organisms/ time/ area =

inventory

Large industrial use of wind energy:

is restricted to localized areas of consistent wind

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

petroleum

food-making process of green plants and algae =

photosynthesis

The Earth's food chain starts with:

plants

The sampling technique which employs recording all the organisms within a specified square area is called the _____________ technique

quadrat

grass, deer =

savanna

What is meant by "solar radiation equilibrium" in the 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

anteaters, jungle =

tropical rainforest

wolves, treeless =

tundra

Disturbance of the natural environment often produces __________________ results.

unexpected


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