NGHS Biology

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

Tags

NGSS.MS-LS2-2

In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

• Mutualism

• Commensalism

• Parasitism

• Neutralism

Tags

NGSS.MS-LS2-2

Parasites and predators help maintain ecosystem stability because...

• They increase the population of all organisms so ecosystems become diverse

• They decrease the population of certain organisms to ensure no species overpopulates

• They increase the survival of all species

• Any of the above are possible

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A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism

• competition

• predator/prey

• parasitism

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

Two lions typical fight to death for territory, mates, and food sources. This is an example of ___________

• Commensalism

• Mutualism

• interspecific competition

• intraspecific competition

According to the graph, what is causing the deer population to decrease

• They got sick

• The wolf population is decreasing

• The wolf population increased

• They ran out of food

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Competition is shown in food webs because it shows multiple predators eating a common prey resource. According to the food web, what organisms could be in a competitive relationship if their prey has a low population?

• The snake and hawk could be in a competitive relationship for the rabbit prey.

• The snake and rabbit could be in a competitive relationship for the hawk prey.

• The rabbit and hawk could be in a competitive relationship for the snake prey.

Tags

NGSS.MS-LS2-1

Mistletoe grows and spreads on trees, taking their nutrients:

• predation

• parasitism

• mutualism

• commensalism

Tags

NGSS.MS-LS2-1

A lion kills and eats a zebra. This is an example of

• Symbiosis

• Competition

• Predation

Tags

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