Symbiosis

Which of the following do organisms compete for?

• Food

• Water

• Shelter

• All of them

As resources increase, competition...

• Stays the same

• Increase

• Decrease

Remora fish stuck in the shark so they can travel over water. This represents:

• Mutualism

• Commensalism

• Parasitism

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

• Commensalism

• Mutualism

• Parasitism

• Predation

In a complete sentence, explain why lice is considered a parasite.

Draw either a + or - to describe parasitism. (left is parasite, right is host)

A relationship between two organisms in which both organisms benefit.

• Mutualism

• Competition

• Parasitism

• Commensalism

If a mosquito bites you, you are considered a ____

Draw either a + or - to describe mutualism.

Bacteria in the intestines of cows gain nutrients and aid in the cow's digestion

• Commensalism

• Mutualism

• Parasitism