17. Which of the following components make up the biotic factor ofan ecosystem
A. grass & air B. plant & animal C. soil & sunlight D. water & pebbles
18. The following living things are found in mangrove swamps EXCEPT
A. Shrimps B. eel
© crocodile D. cat
A. grass & air B. plant & animal C. soil & sunlight D. water & pebbles
18. The following living things are found in mangrove swamps EXCEPT
A. Shrimps B. eel
© crocodile D. cat
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Answer: 17. C soil and sunlight
18. D cat
Explanation: OF 17. Ecosystems are influenced by both biotic and abiotic factors. Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.