7th Grade Unit 2 Assessment: Interdependence and Energy Flow in Ecosystems - Missy Radaker | Library

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The word ecosystem refers to

biotic factors in an environment

the biotic and abiotic factors in an environment

abiotic factors in an environment

none of the above

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grass

humans

the Sun

heat

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foxes

frogs

caterpillars

trout

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Draggable item		Corresponding Item
Some animals eat only other consumers. They are called		producers.
Plants make their own food. They are called		herbivores.
Some animals eat only producers. They are called		carnivores.

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caterpillars

frogs

trout

grasses

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from cod to phytoplankton

from zooplankton to squid

from elephant seal to squid

from killer whale to leopard seal

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producers

omnivores

consumers

decomposers

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competitive:  the bee competes with the flower for pollen

mutualistic:  the bee receives pollen and the flower gets help with its reproduction

predatory:  the bee is a predator which consumes the flower

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The population is decreasing over time because less people are having children.

The population is increasing over time because severe weather has reduced the space available for people.

The population is increasing over time because resources, such as food and space, are plentiful for everyone.

The population is decreasing over time because resources, such as clean water, are limited and people are competing for resources.

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carnivore

detritivore (decomposer)

herbivore

omnivore

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predation

parasitism

competition

commensalism

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symbiosis

commensalism

mutualism

parasitism

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commensalism

mutualism

parasitism

None of these

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Rabbits have a high death rate.

Rabbits have few effective predators.

Additional rabbit species have been introduced.

There is an increase in rabbit competitors.

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Draggable item		Corresponding Item

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least/most

same/same

most/least