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1. Which of the following statements is correct?
A. The coral reefs are non-living ecosystem.
B. Abiotic factors are also known as living environment.
C. The ecosystem is a community of the living and non-living environment.
D. Biotic environment consists of air, sunlight, water, humidity, temperature, and type of soil.
2.What part of the ecosystem is consisting of non-living organisms that live in an environment?
A. tropical coral reefs
B. biotic environment
C. abiotic environment
D. mangrove swamps ecosystem
3.What do you call the place where living and non-living things exist and interact with one another in that environment?
A. ecology
B. ecosystem
C. biotic factors
4.What form of coral reefs are close to the shore and separated from land by the water?
A. atolls
B. fringing reefs
C. barriers reefs
D. tropical coral reefs
5.Which of the following statements is NOT CORRECT?
A. Abiotic factors may include air, sunlight, temperature, moisture, and light.
B. The interactions between various biotic factors are necessary for the reproduction of each species.
C. The biotic organisms in a balanced ecosystem do not interact with nonliving abiotic features in the environment.
D. Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients, and provide us with food.
6. It is a type of ecosystem that are woodlands composed mostly of all tall trees and extensive foliage cover. They are regions with yea round warmth and abundant rainfall, and occupy 6 to 7 percent of earth surface. They produce a large percentage of the needed oxygen on earth.
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