<span>In a ecosystem,rocks are an example of an abiotic factor because they are not a living part of the environment. From context of the statement, an abiotic factor is the non-living part of the environment in a ecosystem.</span>
B. Chitin
that' because both animals and fungus are eukaryotic and heterotrophic, so they share same characterstics in terms of feeding and cellular structure. In addition to both share the same protist supergroup, which is (Unikonta).
