Living Systems Investigation 1 Quiz 2022 - Alexandra Scharf | Library

3

The organisms listed here live together in an ecosystem. Draw arrows to complete the food web that models how matter moves in the ecosystem among producers, consumers, and decomposers. In this food web, chipmunks eat grass and blueberries; bears eat chipmunks and blueberries.

3

Drag & drop each of the organisms into their correct category: Producers, Consumers, or Decomposers.

Bacteria
Bears
Chipmunk
Grass
Blueberries

Producers
Consumers
Decomposers

3

Think about evidence you gathered about decomposition from the worm habitat/ecosystem and information you learned from reading and videos. Click all of the following statements that are considered True.

4

In most ecosystems, the energy used by all the organisms comes from the Sun. Explain (in at least 2 sentences) how energy gets from the Sun to a second-level consumer (like a human).

1

You’ve been developing a model that describes the movement of matter and energy among organisms in the environment. Select all of the items below that give organisms (living things) energy in an ecosystem.

In a pond behind the school, students observed several interactions. Read the notebook entries to find out what they observed. Then use the clues from their entries to help with the following questions.

3

Choose at least three organisms from the list above to construct a food chain. Make sure that you include a producer.

3

Construct a food web based on all the organisms observed. Label as specifically as you can which are producers, consumers, and decomposers.

4

You have learned that Earth’s four major systems interact. Describe an example of how the biosphere might be affected by a change in one of the other three systems (geosphere, hydrosphere, or atmosphere). The change can be natural or human-caused. Your response should be at least 3 sentences.

3

Tarantulas live in a desert ecosystem. These large spiders rest in their burrows all day. At night they come out to look for food, water, and mates. When day approaches, the tarantulas return to their burrows. Tarantulas are carnivores and need energy to move about at night. Select all of the following statements that are true.

1

What type of organism is missing from this food web?

1

If the frog population suddenly increased, which organism would be most likely to decrease right away?

3

A student said, “Plants don’t have energy. Only animals have energy. I know that because only animals move on their own.” Select each sentence that you agree with. Don't select any sentence you disagree with.

3

After learning about what plants and animals need to grow, a student said, “I know that plants need air and sunlight to live. Animals need air, too. So air and sunlight must be food for plants and animals.” Select all of the following that are true.