This document is a review quiz about biosphere and biodiversity concepts for 5th grade natural science students. It contains multiple choice and true/false questions about topics like the biosphere, biodiversity, species interactions (like mutualism, parasitism, predation, commensalism), food chains and webs, causes of species extinction, and ways to preserve biodiversity. Examples of endangered animal species are also requested. The review aims to assess students' understanding of key ecological relationships and threats to the natural world.

1. 24/3/2019 The Biosphere Review
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The Biosphere Review
Natural Science 5th Grade
*Obligatorio
1. Name *
2. What is biosphere?
3. What is biodiversity?
4. What relationship can you see in the
following picture?
5. What relationship can you see in the
following picture?

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6. What is a relationship between two organisms that benefits both of them?
Marca solo un óvalo.
Parasitism
Predation
Commensalism
Mutualism
7. What is a relationship which benefits one organism and doesn't harm or benefit the other
one?
Marca solo un óvalo.
Parasitism
Predation
Commensalism
Mutualism
8. What is an animal that captures, kills and eats other animals of different species?
Marca solo un óvalo.
Parasitism
Predation
Commensalism
Mutualism
9. What is when an organism benefits while the other organism is hurt?
Marca solo un óvalo.
Parasitism
Predation
Commensalism
Mutualism
10. This interaction occurs when two organisms
need the same resource (Food, water, mate,
territory,...). What is it?
11. This interaction occurs when two or more
organisms work together to obtain a
resource. What is it?

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12. Look at the picture. What is it?
Marca solo un óvalo.
Food chain
Food web
Decide if the following sentences are True or False.
13. National Parks are created to protect wildlife.
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True
False
14. A food chain always ends with a predator.
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True
False
15. A food chain shows how each living thing reproduces.
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True
False
16. Extinction is usually a natural process.
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True
False

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17. Pollution and climate change are causes of loss of biodiversity.
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True
False
18. Tick each living things in the correct order in a food chain.
Marca solo un óvalo por fila.
Producer
Primary
consumer
Secondary
consumer
Tertiary
consumer
Decomposer
A butterfly
A Mushroom
Algae
A grasshopper
A snake
A toad
A fox
A human being
Grass
A worm
Yeasts
A zebra
Loss of Biodiversity:
Do you best to answer the following questions about biodiversity. Good luck!
19. Give to examples of things humans can do to
presever biodiversity.
20. Give two reasons why species become
extinct.
21. Give two examples of animals that are
endangered.

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Con la tecnología de
22. Look at the photo and explain what you can see in both of them.