Unit 3 Mid Assessment: Matter and Energy in Ecosystems

Last updated about 3 years ago
23 questions
Note from the author:
Students explore ecosystems and ecosphere.
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The primary source of energy in an ecosystem is a producer

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An abiotic factor is

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Carbon Dioxide, Nitrogen, Oxygen are examples of

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The word ecosystem is a short name for “ecological system

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An endangered species

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An ecosystem is

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A biotic factor is

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A secondary consumer

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A nutrient is

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A decomposer’s job is to

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Photosynthesis is a process of

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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?

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

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Which organism is a producer?

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Which organism is a primary consumer?

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Which organism is the tertiary consumer?

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Which organism is a secondary consumer?

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

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What organism feeds the shrimp?

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What organism provides nutrients for the algae?

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What organism feeds the bacteria?

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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.

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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.