Page 100 - Science Course 3 (Book 1)

2. In the space below, draw a food chain that begins with the Sun and has the following organisms: a fox that
eats a rabbit, a plant, a rabbit that eats a plant. You may draw pictures of the organisms or write their
names. Label the producer, herbivore, and carnivore.

3. What is a food web?

4. In the space provided, use the names of organisms and arrows to draw part of a food web that begins with
the Sun and includes the following organisms: plants; grasshoppers, mice, and rabbits that eat plants; frogs
that eat grasshoppers; snakes that eat frogs and mice; andan owl that eats snakes, rabbits, and mice.

Mo2-L7: Key Concept Check

Direction: Answer each question on the lines provided.

Cycles of Matter

1. How does the transfer of
matter in an ecosystem differ
from the transfer of energy?

2. What do the amount and
types of matter in an
environment determine?

3. How does water cycle through
an ecosystem? Be specific.

4. What is the role of producers
and consumers in the oxygen
cycle?

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