Relationship in the Ecosystem

An organism that only eats producers are called _________________.

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

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What does this image show?

• Food web

• Food chain

• Food pyramid

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An organism that makes their own food using sunlight.

• Producers

• Consumers

• Decomposers

• Nutrients

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relationship in which two species live closely together

• resource

• mutualism

• succession

• symbiosis

The crocodile and bird have a _______________ relationship. The crocodile benefits by having its teeth cleaned. The bird benefits by gaining food and protection. Both animals benefit from this relationship.

• parasitism

• predator and prey

• mutualism

• commensalism

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A clownfish uses a sea anenome as a safe place to live. While living there, the clownfish lures in food for the anenome. This is an example of what type of relationship?

• Predator-Prey

• Commensalism

• Mutualism

• Parasitism

A pride of lions stalks, tackles, and kills an antelope. Which is best being demonstrated?

• predation

• mutualism

• parasitism

• commensalism

Plants interact with living and nonliving components in their environment. Which is an interaction with a nonliving element?

• Small insects eating the stems of the plants

• Humans breathing oxygen released by plants

• Bees gathering pollen from flowers of plants

• Sandy soil holding the roots of the plants

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Which of these is an example of one living thing depending on another living thing?

• Cat walking on the sand

• Bird building a nest in a tree

• Dog warming in the sunlight

• Squirrel drinking water

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All of the following are examples of living things interacting with each other EXCEPT —

• birds preying on insects living in the grass

• squirrels spreading the seeds of trees by burying them

• frogs sleeping in the mud at the bottom of the pond

• fish eating plants and other smaller fish

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