Apes unit 2 Practice test




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APES UNIT 2 Practice TEST

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. The most fundamental unit of ecology is

a.

a species

b.

a population

c.

a community

d.

an ecosystem

e.

an organism


____ 2. Estimates of the number of species existing on the earth range from

a.

4 to 100.

b.

4 to 100 thousand.

c.

4 to 100 million.

d.

4 to 100 billion.

e.

4 to 100 trillion.


____ 3. The largest numbers of species of organisms on the earth are currently

a.

microorganisms and fungi.

b.

amphibians and reptiles.

c.

insects and fungi.

d.

insects and microorganisms.

e.

mammals.


____ 4. An example of a microbe is

a.

bacteria.

b.

protozoa.

c.

fungi.

d.

yeast.

e.

All of the above.


____ 5. The following choices list levels of organization of matter that claim the attention of ecologists. Which correctly lists these levels in sequence from narrower to broader focus?

a.

organisms-populations-communities-ecosystems-ecosphere

b.

organisms-communities-populations-ecosystems-ecosphere

c.

organisms-populations-communities-ecosphere-ecosystems

d.

ecosphere-ecosystems-communities-populations-organisms

e.

ecosphere-populations-communities-ecosystems-organisms


____ 6. A group of individuals of the same species occupying a given area at the same time is called a

a.

species.

b.

population.

c.

community.

d.

genus.

e.

niche.


____ 7. A community of living organisms interacting with one another and the physical and chemical factors of their nonliving environment is called

a.

a species.

b.

an ecosystem.

c.

a population.

d.

a lithosphere.

e.

a community.


____ 8. All of the following are characteristic of life forms except

a.

highly diffuse internal structure and organization.

b.

the ability to capture and transform matter and energy from the environment.

c.

the ability to reproduce.

d.

the ability to adapt to external change by mutations.

e.

the ability to react to stimuli.


____ 9. All physical forms of water (solid, liquid, and gas) make up the

a.

atmosphere.

b.

lithosphere.

c.

biosphere.

d.

hydrosphere.

e.

troposphere.


____ 10. Fossil fuels and minerals are found in the

a.

atmosphere.

b.

lithosphere.

c.

biosphere.

d.

hydrosphere.

e.

troposphere.


____ 11. Where would a geologists collect rock and soil samples?

a.

atmosphere

b.

lithosphere

c.

biosphere

d.

hydrosphere

e.

troposphere


____ 12. Life on earth depends on interaction of gravity, the cycling of matter and

a.

one-way flow of energy.

b.

cycling of energy.

c.

one-way flow of matter.

d.

the destruction of matter.

e.

the consumption of matter.


____ 13. Which of the following statements is false?

a.

About one-third of the solar energy hitting the earth is immediately reflected back to space.

b.

A spectrum of electromagnetic radiation emanates from the sun.

c.

About one-third of the solar energy hitting the earth warms the land and lower atmosphere, runs cycles of matter, and generates winds.

d.

Less than 1% of sunlight is captured via photosynthesis.

e.

None of these answers.


____ 14. Aquatic life zones are the aquatic equivalent of

a.

communities.

b.

ecosystems.

c.

biomes.

d.

ecospheres.

e.

populations.


____ 15. All of the following are major causes of differences among aquatic ecosystems except

a.

temperature.

b.

precipitation.

c.

salinity.

d.

depth of sunlight penetration.

e.

dissolved oxygen.


____ 16. The zone in which no member of a population can live is called the

a.

zone of intolerance

b.

zone of physiological stress

c.

lower limit of tolerance

d.

upper limit of tolerance

e.

optimum range


____ 17. Autotrophs

a.

might eat heterotrophs.

b.

are known as decomposers.

c.

cannot do photosynthesis.

d.

can live without heterotrophs.

e.

are omnivores.


____ 18. Photosynthesis

a.

converts glucose into energy and water.

b.

requires the combustion of carbon.

c.

produces carbon dioxide and oxygen gas.

d.

yields glucose and oxygen gas as products.

e.

yields glucose and carbon dioxide gas as products.


____ 19. You are a scientist intrigued by organisms that can create complex molecules through chemosynthesis. The habitat you are most likely to visit is

a.

an island paradise.

b.

an inland sand dune.

c.

a hydrothermal vent.

d.

a prairie.

e.

a forest.


____ 20. Organisms that feed on dead organisms are called

a.

producers.

b.

carnivores.

c.

autotrophs.

d.

scavengers.

e.

omnivores.


____ 21. Organisms that complete the final breakdown and recycling of organic materials from the remains or wastes of all organisms are called

a.

detritivores.

b.

carnivores.

c.

decomposers.

d.

scavengers.

e.

omnivores.


____ 22. If something is biodegradable, it

a.

can be broken down by autotrophs.

b.

can be broken down by heterotrophs.

c.

can be broken down by decomposers.

d.

cannot be broken down by any living processes.

e.

cannot be broken down by omnivores.


____ 23. Anaerobic respiration may produce all of the following
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