Life Science Quiz 1

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| By Kimwestrick

Kimwestrick

Community Contributor

Quizzes Created: 1 | Total Attempts: 187

Questions: 6 | Attempts: 187 | Updated: Mar 19, 2023

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Life science quiz on foodchains, ffod webs nd roles of producer consumers and decomposers.

Questions and Answers

1.

The role of a decomposer is to
- A.
  
  Consume extra sunlight out off by the sun
- B.
  
  Put nutiients back into the envirnoment, which are need by plants.
- C.
  
  Produce energy through the process of photosynthesis
- D.
  
  Make food for cunsumers
Correct Answer
B. Put nutiients back into the envirnoment, which are need by plants.

Explanation
The correct answer is "put nutrients back into the environment, which are needed by plants." Decomposers play a crucial role in breaking down dead organic matter and recycling nutrients back into the soil. They break down complex organic compounds into simpler forms, releasing essential nutrients such as nitrogen, phosphorus, and carbon back into the environment. These nutrients are then taken up by plants for their growth and development. Decomposers help to maintain nutrient cycles and ensure the availability of essential nutrients for the entire ecosystem.

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2.

An example of a food chain is
- A.
  
  Grass - rabbit- coyote
- B.
  
  Mouse -snake - hawk
- C.
  
  Worms- leaves- catipillar- bird
Correct Answer
A. Grass - rabbit- coyote

Explanation
This is an example of a food chain where the grass is the producer, the rabbit is the primary consumer, and the coyote is the secondary consumer. In a food chain, energy flows from one organism to another as they consume each other. The grass provides energy to the rabbit, and in turn, the rabbit provides energy to the coyote. This example demonstrates the transfer of energy and nutrients through different trophic levels in an ecosystem.

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3.

Which is not true about an ecosystem.
- A.
  
  Animals in an ecosystem generally live in balnce with one another.
- B.
  
  All food from an ecosytem can be traced back to producers
- C.
  
  Food chains and food webs are diagrams that show how energy flows in an ecosystem
- D.
  
  Ecosystems are only made up of only living things.
Correct Answer
D. Ecosystems are only made up of only living things.

Explanation
Ecosystems are not only made up of living things. They also consist of non-living components such as air, water, soil, and sunlight, which are essential for the survival of living organisms. These non-living components interact with the living organisms and play a crucial role in the functioning of the ecosystem. Therefore, it is not true that ecosystems are made up of only living things.

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4.

Omnivores eat
- A.
  
  Only plants
- B.
  
  Only other consumers
- C.
  
  Plants and animals
- D.
  
  Only animals
Correct Answer
C. Plants and animals

Explanation
Omnivores are organisms that have a flexible diet and can consume both plants and animals. They are not restricted to eating only plants or only animals, but instead have the ability to obtain nutrients from both sources. This adaptability allows omnivores to thrive in a variety of environments and ensures they have a diverse and balanced diet.

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5.

Sheep eat grass and other plants to stay alive, but do not eat animals. What kind of animals are sheep?
- A.
  
  Carnivores
- B.
  
  Producers
- C.
  
  Herbivores
- D.
  
  Decomposers
Correct Answer
C. Herbivores

Explanation
Sheep are herbivores because they eat grass and other plants to survive, but they do not consume animals. Herbivores are animals that primarily feed on plants and vegetation, obtaining their nutrients from these sources.

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6.

Which of the following lists only consumers.
- A.
  
  Eagles, snakes, mice
- B.
  
  Grass, rabbits, foxes
- C.
  
  Acorns, squirrels, owls
- D.
  
  Rats, chipmunks, trees
Correct Answer
A. Eagles, snakes, mice

Explanation
The correct answer is eagles, snakes, mice. This is because eagles, snakes, and mice are all animals that consume other organisms for energy, making them consumers in a food chain or food web.

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Current Version
Mar 19, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 20, 2008

Quiz Created by
Kimwestrick

Life Science Quiz 1

The role of a decomposer is to

An example of a food chain is

Which is not true about an ecosystem.

Omnivores eat

Sheep eat grass and other plants to stay alive, but do not eat animals. What kind of animals are sheep?

Which of the following lists only consumers.