Symbiotic

A relationship between two organisms where one species benefits while the other is harmed.

• commensalism

• mutualism

• parasitism

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

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

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 relationship between two species where one benefits while the other is harmed.

• Commensalism

• Naturalism

• Mutualism

• Parasitism

A relationship between two organisms in which both organisms benefit.

• competition

• commensalism

• predator/prey

• mutualism

A relationship between two organisms in which one organism benefits and the other is unharmed

• mutualism

• commensalism

• parasitism

• competition

In mutualism

• one species is unaffected

• one species is killed

• both species fight for something

• both species benefit

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

• mutualism

• commensalism

• parasitism

• predator/prey

Tags

NGSS.MS-LS2-2

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds.

• competition

• predator/prey

• commensalism

• mutualism

Tags

NGSS.MS-LS2-2