biology ch 4
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Biology Ch 4. Mouse Mischief Review. Organisms living in a community and all the physical parts of its environment make up a(n). ecosystem. habitat. food chain. The most important abiotic factor for the organisms in an ecosystem is. sunlight. weather. water. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Biology Ch 4](https://reader036.vdocuments.us/reader036/viewer/2022062500/568150ba550346895dbed59f/html5/thumbnails/1.jpg)
Biology Ch 4Mouse Mischief Review
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Organisms living in a community and all the physical parts of its environment make up a(n)
ecosystem.
habitat.
food chain.
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The most important abiotic factor for the organisms in an ecosystem is
sunlight.
weather.
water.
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Animals that feed on plants are at least in the
first trophic level
second trophic level
third trophic level
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The many different species that live together in a habitat are called a(n)
ecology
food chain.
community.
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An organism that gets energy from organic wastes and dead bodies is a(n)
omnivore.
producer.
decomposer
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The number of trophic levels in an energy pyramid is
seldom more than four.
always exactly four.
never less than four.
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Which process takes carbon dioxide from the atmosphere?
photosynthesis
decomposition
combustion
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Which process returns carbon dioxide to the atmosphere?
combustion
decomposition
Both (a) and (b
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Which process contributes to the formation of fossil fuels?
combustion
decomposition
Both (a) and (b
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How do animals contribute carbon dioxide to the atmosphere?
by cellular respiration
by their decomposition
Both (a) and (b)
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The production of ammonia by bacteria during the decay of animal waste is called
assimilation.
ammonification.
nitrification.
denitrification.
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Grizzly bears, snakes, and worms can be members of the same
species.
trophic level.
ecosystem.
None of the abov
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All the organisms that live in a particular place and the physical aspects of that place make up a(n)
ecosystem.
Habitat.
community.
food chain.
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The number of species living in an ecosystem is referred to as
succession.
biodiversity.
the food chain
productivity
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The most important abiotic factor for the organisms in an ecosystem is
climate
sun.
weather.
water
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Animals that feed on plants are in which of the following?
First trophic level
Second trophic level
Third trophic level
Fourth trophic level
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The number of trophic levels in an ecological pyramid
is limitless
is limited by the amount of energy that is lost at each trophic level
never exceeds four.
never exceeds thre
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The movement of substances, such as water and nitrogen, in a circular path between the nonliving environment and living
organisms is called
a reservoir pathway.
photosynthesis.
cycles of matter.
succession
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In a typical succession initiated by a retreating glacier,
pioneer plants precede trees.
the first plants contribute to soil formation.
it takes many years for trees to be able to thrive.
All of the above
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Algae are
producers.
consumers.
parasites.
decomposers.
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Leopard seals are
producers.
consumers.
parasites.
decomposers.
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Organisms that obtain their energy from the organic wastes and dead bodies at all the energy levels in an ecosystem are called
decomposers.
producers.
consumers.
herbivores.
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Every time energy is transferred in an ecosystem, potential energy is lost
as heat.
due to weather.
because some animals die.
when it is recycled back to producers.