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Science 7: Interactions and Ecosystems Unit Review

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Last updated over 3 years ago
45 questions
1
Question 1
1.

Describe the difference between biotic and abiotic parts of an ecosystem.

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Question 2
2.

Illustrate your schoolyard and identify biotic and abiotic parts of that ecosystem. Indicate the various relationships between the biotic and abiotic parts in your schoolyard (with different colored lines) and a brief description of the relationship. (see page 10 of text)

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Question 6
6.

What are the basic needs of living organisms in order for survival?

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Question 12
12.

Explain why the beaver population in Yoho National Park was declining.

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Question 13
13.

What is the difference between a ‘dump’ or landfill – and a sanitary landfill?

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Question 14
14.

List the 5 basic garbage ‘solutions’ we have been involved in to clean up our act.

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Question 15
15.

Define what a "Carnivore" is.

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Question 16
16.

Define what a "Herbivore" is.

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Question 18
18.

Illustrate a word equation for the process of photosynthesis. (pg. 30)

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Question 19
19.

What are the two reasons that photosynthesis is important?

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Question 23
23.

Illustrate an example of a food chain (include arrows showing the flow of energy). Identify the type of organism you are illustrating (eg. producer, primary consumer, secondary consumer, decomposer, etc.)

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Question 24
24.

Illustrate the flow of energy from producer to primary consumer, to secondary consumer, to tertiary
consumer, to scavenger, to decomposer.

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Question 25
25.

Illustrate a Meadow Food Web

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Question 26
26.

What would happen if the meadow mice were poisoned and became extirpated?

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Question 27
27.

What are the three main processes responsible for the Water Cycle?

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Question 28
28.

What activities or organisms add
carbon to the Atmosphere?

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Question 29
29.

What activities or organisms take
carbon out of the atmosphere?

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Question 30
30.

Define what "Bioinvasion" is and provide an example.

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Question 31
31.

Define what "Resource Competition" is and provide an example.

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Question 32
32.

Define what "Predation" is and provide an example.

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Question 34
34.

Describe the difference between Primary Succession and Secondary Succession.

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Question 35
35.

What is a pioneer species and describe the role they play in an environment (their niche)?

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Question 39
39.

What are the differences between threatened, endangered, extirpated, and extinct?

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Question 40
40.

Why are Pemberton potatoes special?

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Question 41
41.

What does COSEWIC stand for and what does it do?

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Question 43
43.

How do you determine your ecological footprint?

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Question 44
44.

What are some ways you can reduce your ecological footprint?

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Question 45
45.

What is meant by sustainable lifestyle?

Question 3
3.

Explain what each of the following is and give three examples to show you understand the difference.

Question 4
4.

Explain what each of the following is and give three examples to show you understand the difference.

Question 5
5.

Explain what each of the following is and give three examples to show you understand the difference.

Question 7
7.

What are some things that you could do without and still have all of your basic needs met?

Question 8
8.

What is symbiosis?

Question 9
9.

Describe two examples of commensalism.

Question 10
10.

Describe two examples of mutualism.

Question 11
11.

Describe two examples of parasitism

Question 17
17.

Define what an "Ominvore" is.

Question 20
20.

Illustrate a word equation for the process of cellular respiration.

Question 21
21.

What are the two reasons that cellular respiration is important?

Question 22
22.

Describe the difference between scavengers and decomposers.

Question 33
33.

Define what "Weather" is and how it affects the environment.

Question 36
36.

What is a climax community?

Question 37
37.

Explain the ‘unintended consequences’ of the use of the pesticide DDT, in Borneo.

Question 38
38.

Why is DDT a banned chemical in North America?

Question 42
42.

Why are there ‘wildlife overpasses and underpasses’ in Banff national Park?