Ecosystems Interrelationships

Living and nonliving things interacting in an environment is called:

• Organism

• Producer

• Consumer

• Ecosystem

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NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS2-2

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

Tags

NGSS.MS-LS2-2

Which term best describes two predators living in the same habitat who feed on the same prey?

• coexistence

• competition

• mutualism

• predatory

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

Tags

NGSS.MS-LS2-3

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

Tags

NGSS.MS-LS2-2

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

Tags

NGSS.MS-LS2-2

Plants are interacting directly with another living element of their environment when they are -

• Soaking up water

• Absorbing sunlight

• Attracting insects

• Taking in carbon dioxide

Tags

NGSS.MS-LS2-3