Ecology: INTERACTIONS OF LIVING THINGS: Question Preview (ID: 18117)

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Omnivores eat _____________.
a) plants and animals
b) animals only
c) plants only
d) decomposers only

If one species disappears, the ecosystem will be ____________________.
a) out of balance
b) benefit
c) die out
d) unaffected

A chart showing all of the ways energy is trasferred between organisms in an ecosystem is called ____________________.
a) a food web
b) an ecosystem
c) a food chain
d) an energy pyramid

Herbivores eat
a) plants
b) plants and animals
c) animals
d) decomposers only

The communities of organisms interacting with abiotic factors is called an _________________________________.
a) ecosystem
b) biosphere
c) population
d) ecoweb

Which is an example of an abiotic factor changing in an area?
a) drought (less water)
b) new type of plant
c) two species of birds competing
d) increase in algae

What fixes nitrogen for plants to use?
a) bacteria
b) worms
c) carnivores
d) producers

Two members of the same species fight to get the same food source. This is an example of ____________________.
a) competition
b) commensalism
c) parasitism
d) mutualism

If you made a chart of all of the living things in your yard and drew arrows to show the flow of energy, this would be an example of a ________________.
a) food web
b) food chain
c) energy pyramid
d) ecosystem chart

Several populations living together is a ____________________.
a) community
b) biosphere
c) consumer
d) food chain

Herbivores, carnivores, and omnivores are all ________________.
a) consumers
b) decomposers
c) producers
d) autotrophs

Young wasps living on a caterpillar and using it for nutrients is an example of __________________.
a) parasitism
b) mutualism
c) commensalism
d) competition

The largest population an environment can support is its __________________.
a) carrying capacity
b) biosphere
c) symbiosis
d) limiting factor

Organisms that can make their own food from sunlight are called _______________.
a) producers
b) consumers
c) decomposers
d) herbiovores

What word describes the plants and animals in an environment?
a) biotic
b) abiotic
c) biosphere
d) population

Which of the following is biotic?
a) plant
b) water
c) air
d) soil

There is ______________ energy available at the top of an energy pyramid
a) less
b) more
c) an equal amount of
d) too much

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