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Grade 10 Science – Exam Review
Ecology Review
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Define and provide an example of each of the following: herbivore, omnivore, carnivore,
producer, and consumer.
Examine the following food chain:
Which organism is the producer?
Which organism is the primary consumer?
Which organism is in the secondary trophic level?
What is the trophic level of the top carnivore?
Define the term “biodiversity”. Give an example of an ecosystem that has high
biodiversity and one that has low biodiversity.
Explain the difference between abiotic and biotic factors in an ecosystem. List four
abiotic factors and four biotic factors in a lake ecosystem.
Explain how human activities can cause a species to become endangered. Give examples.
Explain the difference between extinct, endangered and extirpated.
Explain, using an example, how a population differs from a community.
Which is larger, a biome or an ecosystem?
What is the source of energy for almost all ecosystems on earth?
Explain the difference between autotrophs and heterotrophs. Give an example of each.
Explain what is meant by the term “top carnivore” and give two examples.
Explain why an Arctic ecosystem is more fragile than a deciduous forest ecosystem.
(Give 2 reasons)
In your own words, define “bioamplification”. Draw a diagram to illustrate your
answer.
Explain how a species of insect might become resistant to a pesticide after repeated
applications of the pesticide.
Name the four Canadian biomes.
Explain why the tundra can be compared to a desert.
Rank the Canadian biomes from least to greatest for
a) biodiversity b) length of growing season
True or False?
Indicate whether each statement is true or false. If it is false, rewrite it to make it true.
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In general, warmer biomes have greater biodiversity.
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A simple step by step sequence that shows how organisms feed on each other is called an
ecosystem.
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The amount of sunlight is an abiotic factor of an ecosystem.
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Autotrophs occupy the top of a food web.
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A group of animals of the same species living in the same area is called a community
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A shark is an example of a consumer.