Unit 2 Interactions With Organisms

Which of the following is NOT a symbiotic relationship?

• Competition

• Commensalism

• Mutualism

• Parasitism

Tags

NGSS.MS-LS2-2

What term describes organisms striving for the same limited resources?

• Competition

• Predation

• Mutualism

• Commensalism

Tags

NGSS.MS-LS2-1

Commensalism is a symbiotic relationship in which what occurs between the organisms?

• both organisms are harmed

• one benefits, the other is unaffected

• one benefits, the other is harmed

• one benefits by eating the other

Tags

NGSS.MS-LS2-2

A crab is protected from fish when an anemone rides on its shell. The anemone gets more food.

• Commensalism

• Competition

• Predation

• Mutualism

Orchid vines are skinny and grow on the trunk of trees to get more light and space with no negative effect.

• Mutualism

• Commensalism

• Parasitism

• Competition

Tags

NGSS.MS-LS2-1

When the population of predators gets too high...

• Prey pop. will increase--> predator pop. will increase

• Prey pop. will decrease--> predator pop. will increase

• Prey pop. will decrease--> predator pop. will decrease

• It depends on the biome

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An increase in the population of an organism (living thing) could happen because of ??

• A series of severe weather events in the habitat

• A decrease in necessary resources available

• An expansion (increase) of living space

• An increase in animals that prey on the organism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A relationship in which two species live closely together.

• resource
• mutualism
• succession
• symbiosis

In this picture, the ZEBRA is the __________________

• predator
• prey

Lion and Zebra - The lion hunts and kills the zebra for its food. This is an example of? 

• predator-prey
• mutualism
• commensalism
• parasitism