Answer:
1. A = the producers are biotic factors that are very important in an ecological system because this organisms "produce" food from inorganic materials and energy sources.
2. A= or waste, teeth and bones. even though the things are no longer living, they are biotic elements because they came from living things and are used as food by other living things such as scavenger s and decomposers.
3. B = climate is the key abiotic factor that determines where terrestrial ( land ) biomes are found.
4.A= bacteria are biotic they are living organisms, regardless of their size.
5. B= abiotic factors are non living things that affect the animals.
6. A = consumer s as biotic factors are those that rely on other living organisms as food to obtain energy and survive.
7. B= carbon dioxide is an abiotic factor in an ecosystem, as it is non living thing.
8. B = temperature is an abiotic factor within an ecosystem.
9. B = abiotic factor are any non living factors that affect organisms in an ecosystem.
10. A
11. B
Explanation:
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