Lampreys and hagfishes: a) are two species that are evolved recently. b) are the only extant air-breathing fish. c) are the only extant jawless vertebrates. d) have lobed fins.

Question

Biology

Alissa Harper

25 April, 13:25

Lampreys and hagfishes: a) are two species that are evolved recently. b) are the only extant air-breathing fish. c) are the only extant jawless vertebrates. d) have lobed fins.

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Answers (1)

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Frances Haas · Answer 1

Option (C).

Explanation:

Agantha are the superclass that contain the jaw-less fishes of the phylum chordata. This class lacks the jaws and other characters of the fish.

The two main members of this class are Lamprey and hagfish. They are the only extant jawless vertebrates present on earth. These two group of organism shows various similarity with each other.

Thus, the correct answer is option (c).