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(a) 1942 +1695 =3,637
(b) Small fish;
(c) Photosynthesis;
(d) They are able to feed on any trophic level and are not fed on by any other organism; They can act on any trophic level while They are not led on by other organism.
sharon kalunda answered the question on September 13, 2019 at 08:53
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