Relationship

A flea feeds on a mouses' blood to the harming of the mouse.  What type of symbiotic relationship is this?

• commensalism

• mutualism

• parasitism

Mistletoe takes water and nutrients from the spruce tree.  The spruce tree eventually dies.  What type of symbiotic relationship is this?

• commensalism

• parasitism

• mutualism

In a parasitic relationship, one organism is ___________ and one organism is benefiting. 

• helped

• harmed

• not effected

• happy

Cattle egrets foraging in fields among cattle. The egret gets easy access to food and the cattle don't care if they are there or not.

• mutualism

• commensalism

• competition

• parasitism

Tags

NGSS.MS-LS2-2

Remoras are small fish that swim close to or attach themselves to sharks.  Remoras eat small scraps left as the sharks feed and the sharks are unaffected. 

• Competition

• Predation

• Mutualism

• Commensalism

Barnacles create home sites by attaching themselves to whales. Since the barnacle is a filter feeder, it also gets access to more water (and food) due to the relationship. The whale is unaffected.
This is an example of which type of symbiosis?

• Commensalism

• Mutualism

• Parasitism

• Competition

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. What type of symbiosis is this?

• commensalism

• mutualism

• parasitism

• predation

Tags

NGSS.MS-LS1-4

What type of symbiosis is this?
Snails die and leave behind their shells.Hermit crabs find shells left by snails that have died and move in. 

• commensalism

• mutualism

• parasitism

• predation

Tags

NGSS.MS-LS2-2

A tick and a dog have this type of relationship.

• mutualism

• commensalism

• neutralism

• parasitism

Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.

• mutualism

• commensalism

• competition

• parasitism