Ecological Relationships

There are three types of symbiotic relationships. Check all that apply.

• Platonic

• Mutualism

• Parasitism

• Commensalism

• Universal

A _________ is an organism that gets its nutrients from another organism and causes harm to its host.

In a prey vs predator population graph, the number of predators will typically increase when the number prey increase.

• True

• False

Tags

NGSS.MS-LS2-2

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NGSS.MS-LS2-4

When one species benefits and the other species is harmed it is called _______________.

When both species benefits and neither is harmed it is called ______________.

When one organism benefits and the other organism is not helped or harmed it is ____________.

Read the scenario below and identify the type of symbiotic relationship...

Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first, then the honey guide birds eat the bees.

Tags

NGSS.MS-LS2-2

Read the scenario below and identify the type of symbiotic relationship...

Ostriches and gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they each can identify threats the other animal would not as readily see.

Tags

NGSS.MS-LS2-2

Read the scenario below and identify the type of symbiotic relationship...

Hermit crabs live in shells made and then abandoned by snails.

Tags

NGSS.MS-LS2-2

Read the scenario below and identify the type of symbiotic relationship...

Mistletoe extracts water and nutrients from the spruce tree to the trees detriment(harm).

Tags

NGSS.MS-LS2-1

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