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Grades 6, 7 and 8 - Science - Middle School - Ecosystem
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Avg score: 71% Most missed: “By the breaking down of carbons through ______, nutrients in organic matter is r…”
The concept of the ecosystem is about the importance of the relationship between organisms and their environment. Arthur Roy Clapham introduced the term 'ecosystem' in the early 1930s. Water, soil minerals, nitrogen and energy are all essential abiotic components of an ecosystem. The Sun provides the primary energy of an ecosystem. It enters into the system through the process of photosynthesis (in plants) and it must also capture carbons from the atmosphere. By the breaking down of carbons through decomposition, nutrients in the decomposed organic matter are restored back into the... Show more
Grades 6, 7 and 8 - Science - Middle School - Ecosystem
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10 Questions

1. This is a process in which man has tried to conserve the natural environment, as well as the species that exist within that environment.
2. The term “ecosystem” was introduced in the early 1930s by _______.
3. The ecosystem is controlled by ____________.
4. Water, soil minerals, nitrogen and energy are all essential ______ components of an ecosystem.
5. By the breaking down of carbons through ______, nutrients in organic matter is restored back into the environment.
6. Ecosystems provide ___________ upon which animals and man depend.
7. This deals with specific resources for humans to use rather than the management of the ecosystem itself.
8. This is the collection of organisms in a specific geographical region or time period.
9. Some scientists consider the _____ as an ecosystem.
10. The community of living organisms with non-living organisms as they exist in their natural, undisturbed environment is known as ________.