Interactions in Ecosystem

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

• competition

• predatory

• adaption

• survival

A lion hunts and kills an antelope. What is being demonstrated?

• predation

• mutalism

• parasitism

• commensalism

Living and nonliving things interacting in an environment is called: ________

• organism

• producer

• consumer

• ecosystem

Tags

NGSS.MS-LS2-3

Fleas on a dog is _________

• competition

• predation

• commensalism

• parasitism

The struggle between organisms to survive as they use the same limited resource is ____________.

• competition

• predation

• commensalism

• parasitism

Any relationship in which two species live closely together is called _________

• resource

• mutalism

• succession

• symbiosis

Symbiotic relationship in which both organism benefit is called ___________

• competition

• mutualism

• nitrogen fixation

• energy pyramid

A living relationship between two species in which one organism is harmed is called _____________

• mutualism

• commensalism

• parasitism

• niche

Barnacles creat home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?

• mutualism

• parasitism

• commensalism

• predatory

What type of symbiotic is this?

1. Hermit crabs fins its shells left by nails that have died and move in.

2. Snails die and leave behind their shells.

• commensalism

• mutualism

• parasitism

• predation