Mutualism

Which of these describes a mutually beneficial relationship between two organisms?

• A dog with worms in its intestine

• A turtle and a snail that both eat grass live in a river

• A honeybee pollinating a plant and receiving nectar for food

• A small fish attached to a shark, eating tiny pieces of the shark's food as it floats

Which of the examples below can BEST be described as mutualism between animals?

• A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten

• Mountain lions and wolves fight each other for the same deer

• A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird

• Rats live in the garbage dump of a town and rarely interact with people

Tags

NGSS.MS-LS2-2

Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.

• commensalism

• mutualism

• neutralism

• competition

Tags

NGSS.MS-LS2-2

Define mutualism

• One organism benefits, one is unaffected

• Both organisms benefit

• One benefits, one is harmed.

What is mutualism?

• A relationship where both species benefit

• A relationship where one species benefits and the other is harmed

• A relationship where one species benefits and the other is unaffected

• A relationship where both species are harmed

Tags

NGSS.MS-LS2-2

Which of the following is a characteristic of a mutualistic relationship?

• Only one organism benefits, and the other is harmed.

• Both organisms are harmed.

• Both organisms benefit.

• One organism benefits, and the other is unaffected.

Relationship where both organism benefit.

• Competition

• Commensalism

• Mutualism

• Parasitism

• Predator/Prey

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. Both species benefit. 

• parasitism

• commensalism

• mutualism

Tags

NGSS.MS-LS1-4

What is the primary difference between mutualism and parasitism?

• In mutualism, only one organism benefits, while in parasitism, both organisms benefit.

• In mutualism, both organisms benefit, while in parasitism, only one organism benefits at the expense of the other.

• In mutualism, both organisms are harmed, while in parasitism, only one organism is harmed.

• There is no significant difference; both terms describe the same relationship.

Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.

• parasitism

• commensalism

• mutualism

Tags

NGSS.MS-LS2-2