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Unit 3 Mid Assessment: Matter and Energy in Ecosystems

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Last updated about 3 years ago
23 questions
Note from the author:
Students explore ecosystems and ecosphere.
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Question 22
22.

An ecosphere is a micro-ecosystem in a closed system where the organisms depend on each other to survive by making use of the carbon cycle.

What would happen to the rest of the organisms in the ecosphere if the algae were removed? Why? Explain your thinking in 3-5 full sentences.

In your answer be sure to include the following vocabulary:
Food, Oxygen, Carbon Dioxide, Inorganic Nutrients, and Waste.

Question 23
23.

Thinking about the Carbon Footprint Calculator activity where we saw how different
things increase our carbon footprint such as:
  1. how many members are in our family,
  2. how much money a family has to spend,
  3. if we choose to eat more veggie and fruit instead of meat, fish and eggs products,
  4. if we purchase products from companies that are ecofeindly or not.
Why do you think our individual actions mater to reduce our carbon footprint instead of waiting for big companies to change their practices first? Explain your thinking in full sentences.

Question 1
1.

The primary source of energy in an ecosystem is a producer

Question 2
2.

An abiotic factor is

Question 3
3.

Carbon Dioxide, Nitrogen, Oxygen are examples of

Question 4
4.

The word ecosystem is a short name for “ecological system”

Question 5
5.

An endangered species

Question 6
6.

An ecosystem is

Question 7
7.

A biotic factor is

Question 8
8.

A secondary consumer

Question 9
9.

A nutrient is

Question 10
10.

A decomposer’s job is to

Question 11
11.

Photosynthesis is a process of

Question 12
12.

Each animal in a habitat ahs a special role. If a habitat is where an animal lives and the niche is their special job and way way of making a living, then what is the special job of the flamingo?

Question 13
13.

Look at the picture above.
Name 2 abiotic factors needed in this
ecosystem for the animals to survive.

Question 14
14.

Which organism is a producer?

Question 15
15.

Which organism is a primary consumer?

Question 16
16.

Which organism is the tertiary consumer?

Question 17
17.

Which organism is a secondary consumer?

Question 18
18.

In the illustration above of an ecosphere, the entire system is powered by what energy source?

Question 19
19.

What organism feeds the shrimp?

Question 20
20.

What organism provides nutrients for the algae?

Question 21
21.

What organism feeds the bacteria?