Symbiosis

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

A tapeworm and a cat have this type of relationship.

• mutualism
• parasitism
• commensalism
• competition

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

• commensalism
• mutualism
• parasitism
• predation

What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  

• commensalism
• mutualism
• parasitism
• predation

Which symbols best describe parasitism?

• +,+
• +,-
• +,0
• -,0

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

• Predation

• Parasitism

• Commensalism

• Mutualism

A relationship in which two species live closely together.

• resource

• mutualism

• succession

• symbiosis

When a mosquito bites you, you are the __________ and the mosquito is the  ____________.

• host, hostess
• parasite, host
• host, parasite
• prey, predator

How is commensalism different from mutualism?

• In commensalism, one species benefits while the other is unharmed; in mutualism, both species benefit

• In commensalism, one species is harmed while the other benefits; in mutualism, both species benefit

• In commensalism, neither species is harmed; in mutualism, one species is harmed

• In commensalism, both species benefit; in mutualism, one species is harmed

When a honeybee pollinates flowers, the bee gets access to nectar, while the flowers gain the chance to reproduce. This is an example of:

• Amensalism

• Commensalism

• Parasitism

• Mutualism