Question 1

A swamp contains lungfishes, lampreys, and ray-finned fishes. As the swamp begins to dry out, which fishes will better survive and why?

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Question 2

Even though humans donʹt have tails or gills, they are still chordates; why is this so?

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Question 3

A turtle is classified as a(n)__________ .)

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Question 4

This animal is a

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...

Question 5

How do hagfishes differ from lobe-finned fishes and cartilaginous fishes?

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Question 6

How does marsupial reproduction differ from the reproduction of placental mammals?

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Question 7

You find a new animal. It is a large, predatory marine vertebrate covered with scales. It has a two-chambered heart and gills, and its skeleton is made of cartilage. You should classify it as

Accepted Answer

The description matches animals in the Chondrichthyes class, which includes sharks and rays. These animals are characterized by having a skeleton made of cartilage, a two-chambered heart, gills, and being large marine predators.

Question 8

Why do amphibians need to live in moist habitats?

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Question 9

What survival advantage do jawed fishes have over jawless fishes?

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Question 10

What characteristics differentiate monotremes from other mammals?

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Question 11

______are mammals that lay eggs.)

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Question 12

This animal has

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...

Question 13

Why are birds classified as reptiles?

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Question 14

What characteristics place these animals in the same group?

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Question 15

This animal is classified as a

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...

Question 16

What characteristics must an animal possess in order to be considered a chordate?

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Question 17

On a remote island, a new animal is found. It has a four-chambered heart and lungs and is endothermic. It has internal fertilization, lays shelled eggs, and nurses its young after they hatch. This animal is most likely a(n)

Accepted Answer

Monotremes are unique among mammals because they lay shelled eggs and nurse their young after they hatch, fitting the description provided.

Question 18

What characteristics allowed reptiles to become completely terrestrial?

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Quiz 25: Animal Diversity Ii: Vertebrates