Organism Relationships

A type of relationship where one organism benefits and the other is harmed.

• mutualism

• parasitism

• commensalism

A type of relationship where one organism benefits and the other organism gets nothing in return.

• mutualism

• parasitism

• commensalism

A type of relationship where both organisms benefit.

• mutualism

• parasitism

• commensalism

A leech feeds off the blood of the deer. The deer loses blood and energy while the leech gets food supply. What type of relationship is this?

• mutualism

• commensalism

• competition

• parasitism

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 get what they need from the relationship. What type of relationship is this?

• mutualism

• parasitism

• commensalism

Tags

NGSS.MS-LS2-2

A tree frog uses trees as shelters to hide from predators. The trees are unaffected by the frogs. What type of relationship is this?

• mutualism

• parasitism

• commensalism

An animal that is hunted and killed.

• predator

• prey

• producer

• consumer

Tags

NGSS.MS-LS2-4

An animal that hunts and kills the other animal for food.

• predator

• prey

• decomposer

• parasite

Tags

NGSS.MS-LS2-2

What happens to the predator population if the prey population decreases?

• the predator population will decrease

• the predator population will increase

• the predator population will stay the same

• the ecosystem would be balanced

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What happens to the prey population if the predator population increases?

• the prey population will increase

• the prey population will decrease

• the prey population will stay the same

• the ecosystem is balanced

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4