Ecosystems Review

What symbiotic relationship does this represent?

• Mutualism

• Commensalism

• Parasitism

• Competition

Tags

NGSS.MS-LS2-2

What type of symbiotic relationship is shown?

• Mutualism

• Commensalism

• Parasitism

• Competition

Tags

NGSS.MS-LS2-2

What type of symbiotic relationship is shown?

• Mutualism

• Commensalism

• Competition

• Parasitism

Tags

NGSS.MS-LS2-2

What type of symbiotic relationship is shown?

• Mutualism

• Commensalism

• Competition

• Parasitism

Tags

NGSS.MS-LS2-2

Which organism is a primary consumer?

• Hawk

• Grass

• Frog

• Mouse

Tags

NGSS.MS-LS2-2

Which of the following most likely would happen if the bird population declined?

• The rabbit population would decrease.

• The snake population would decrease.

• The grasshopper population would decrease.

• The mouse population would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If a disease strikes the snake population in the food chain shown, what will be the initial effect on the populations of hawks and rabbits?

• The populations of hawks and rabbits will decrease.

• The populations of hawks and rabbits will increase.

• The population of hawks will increase. The population of rabbits will decrease.

• The population of hawks will decrease. The population of rabbits will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What happens when the number of producers shrinks?

• The number of consumers increase.

• The number of decomposers increase.

• The number of consumers decrease.

• The number of producers increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is a decomposer?

• An organism that eats meat.

• An organism that eats plants.

• An organism that eats dead things.

• An organism that makes its own food.

Tags

NGSS.MS-LS2-3

What is a producer?

• An organism that eats meat.

• An organism that makes its own food.

• An organism that eats dead things.

• An organism that eats plants.

Tags

NGSS.MS-LS2-3