Answered

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What structures in the Ammocoetes (lamprey larvae) and adult lamprey are homologous to the gill bars and jaws of the shark (dogfish

Sagot :

ajinems

Answer: The homologous structure between shark and lamprey is that:

--> Both are fishes and

--> possess skeletons that are at least partially made of cartilage.

Explanation:

The class PISCES belongs one of the five classes of vertebrate with the following features:

--> it is cold- blooded animal.

--> it's body is covered with scales and a layer of slime.

--> it had fins

--> it carries out gaseous exchange by hills.

--> it has a well developed sense of smell

--> it had a two - chambered heart.

The HOMOLOGOUS structures are those features that are present in the lamprey that are also seen in the shark. This can simply be referred to as the similarities between the lamprey and the shark. These similarities include:

--> Both are fishes and

--> both possess skeletons that are at least partially made of cartilage. This is a feature that is lacking in bony fishes such as Tilapia and carp.

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