Page 185 - Science Course 3 (Book 1)
P. 185
Direction: Respond to each statement on the lines provided.
Abiotic Factors
4. Explain how water helps determine
which organisms live in an ecosystem.
5. Give an example of two organisms
that live in ecosystems with different
temperatures.
6. List four gases in the atmosphere
that organisms need.
Mo4-L7: Key Concept Check
Direction: Put a check mark under the column that applies to each description. Some descriptions may
have a check mark under both columns.
Description Ecosystems Biomes
1. Contain populations and communities
2. Are part of the biosphere
3. Have specific biotic and abiotic factors
4. Can be very different from each other
5. Are terrestrial or aquatic
6. Can affect each other
7. All the living and nonliving things in one place
8. Large regions on Earth with specific climates, physical features,
plants, and other organisms
Direction: Answer each question or respond to each statement in the space provided.
9. Based on your check marks above, how is a biome different from an ecosystem?
10. List four major terrestrial biomes.
11. How is a marine biome different from a freshwater biome?
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