Amplify Matter and Energy in Ecosystems
Authored by Lisa Thompson
Science
7th Grade
NGSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Scientists are studying cellular respiration in a river ecosystem that has plants, animals, and decomposers (which consume dead things). Which group or groups of organisms in the river carry out cellular respiration?
plants
animals and decomposers
all organisms in the river
animals
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An ivy plant has been taking in carbon from the air for several hours. Is the ivy in sunlight? What has happened to the number of energy storage molecules in the ivy? The ivy . . .
is in sunlight. The number of energy storage molecules in the ivy has decreased.
is in sunlight. The number of energy storage molecules in the ivy has increased.
is not in sunlight. The number of energy storage molecules in the ivy has decreased.
is not in sunlight. The number of energy storage molecules in the ivy has increased.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS1-7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Scientists are studying photosynthesis in a desert ecosystem that has plants, animals, and decomposers (which consume dead things). Which group or groups of organisms in the desert carry out photosynthesis?
plants
plants and decomposers
all organisms in the desert
animals and decomposers
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reza has a glass ball filled with water that contains tiny plants and shrimp that eat those plants. No material can get in or out, but light can get through the glass when it is placed in sunlight. The number of energy storage molecules in the plants and shrimp started out high, but then the glass ball was moved, and the number of energy storage molecules decreased. Was the glass ball moved into the light or into the dark? What happened to the amount of carbon in the water?
The glass ball was moved into the dark, and there is less carbon in the water.
The glass ball was moved into the dark, and there is more carbon in the water.
The glass ball was moved into the light, and there is less carbon in the water.
The glass ball was moved into the light, and there is more carbon in the water.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
NGSS.MS-LS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is a producer?
organism that cannot make their own food so they eat other organisms
organism that makes their own food
organism that break down dead organisms
Tags
NGSS.MS-LS2-3
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is a decomposer?
an organism that breaks down dead organisms for energy
an organism that makes its own food
an organism that eats other organisms
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is a consumer?
an organism that breaks down dead organisms
an organism that makes its own energy and food
an organism that eats other organisms for energy
Tags
NGSS.MS-LS2-2
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