7.L.1.3

Quiz
•
Science
•
7th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What might most likely happen if an ecosystem lost all its decomposers?
Consumers would not be able to obtain food and their populations would quickly decrease.
Nutrients would remain in waste products and remains of dead organisms, and would not be recycled.
The food web would gain nutrients because there would be no organisms breaking them down or consuming them.
Producers would multiply until they reached the carrying capacity of the habitat.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Think of all the components that contribute to the flow of energy and matter in a food web. Which of the following groups forms the base of the food web?
consumers
decomposers
producers
scavengers
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are there so few third-level consumers and how does this fit with the energy pyramid?
because there is less energy available at the bottom of the pyramid
because of the energy and heat loss at each level of the pyramid
because they use the most energy competing for food in the pyramid
because they have the fewest sources of food for energy in the pyramid
Tags
NGSS.MS-LS2-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This food chain shows some of the plants and animals that could be observed in a meadow ecosystem. What is the source of energy for the snake?
the toad
the owl
the beetle
green plants
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary source of energy used by producers during photosynthesis?
thermal energy from the sun
light energy from the sun
chemical energy from food and oxygen
chemical energy from carbon dioxide and water
Tags
NGSS.MS-LS1-6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary role of decomposers in an ecosystem?
to control the population of producers and consumers
to compete with producers for energy and other resources
to provide a source of energy for the producers in the ecosystem
to recycle energy and materials from dead producers and consumers
Tags
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ecosystems have producers, decomposers, and consumers. Carnivores and omnivores are both consumers in an ecosystem. Which of the following is a characteristic of omnivores that makes them DIFFERENT from carnivores?
Omnivores eat only plant materials.
Omnivores always eat live animals
Omnivores eat both dead plants and animals.
Omnivores are able to produce their own food.
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