Ecology Test Review

What are the three types of symbiotic relationships?

• Mutualism, Commensalism, Parasitism

• Predation, Competition, Cooperation

• Photosynthesis, Respiration, Decomposition

• Herbivory, Carnivory, Omnivory

Tags

NGSS.MS-LS2-2

In a parasitic relationship, which organisms are affected?

• Both organisms benefit

• One organism benefits, the other is harmed

• Both organisms are harmed

• Neither organism is affected

Tags

NGSS.MS-LS2-2

In a mutualistic relationship, which organisms are affected?

• Both organisms benefit

• One organism benefits, the other is harmed

• Both organisms are harmed

• Neither organism is affected

Tags

NGSS.MS-LS2-2

In a commensalistic relationship, which organisms are affected?

• Both organisms benefit

• One organism benefits, the other is not affected

• Both organisms are harmed

• One organism is harmed, the other is not affected

What do producers need to create their energy?

• Water and sunlight

• Oxygen and carbon dioxide

• Nitrogen and phosphorus

• Soil and minerals

Tags

NGSS.MS-LS1-6

In a food chain or food web, what is the purpose of the arrows?

• To show the direction of energy flow

• To indicate the speed of the organisms

• To represent the size of the organisms

• To display the age of the organisms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In the following food chain, what would happen if a disease spread through the grasshopper community? Include what will happen to the grass, toad, snake, and hawk.

Grass → Grasshopper → Toad → Snake → Hawk

• The grass population would increase, and the populations of toads, snakes, and hawks would decrease.

• The grass population would decrease, and the populations of toads, snakes, and hawks would increase.

• All populations would remain stable.

• The grass population would decrease, and the populations of toads, snakes, and hawks would decrease.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is an example of an omnivore?

• Cow

• Lion

• Bear

• Mushroom

Which organism is a primary consumer in the following list:

Snake, Grasshopper, Lizard, Fox, Grass, Mushrooms?

• Snake

• Grasshopper

• Fox

• Mushroom

Tags

NGSS.MS-LS2-2

What is the role of decomposers in an ecosystem?

• They produce energy from sunlight.

• They consume primary consumers.

• They break down dead organisms and recycle nutrients.

• They hunt and eat other animals.

Tags

NGSS.MS-LS2-3