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Chapter 29: Q. 18 (page 827)

Monotremes include:

a. kangaroos.

b. koalas.

c. bandicoots.

d. platypuses.

Short Answer

Expert verified

The correct answer is (d). platypuses.

Step by step solution

01

Introduction

The three major groups of living mammals include the monotremes, marsupials and the placental mammals. The placental mammals and marsupial mammals together comprise a clade of therian mammals, with the monotreme mammals forming a sister clade to both the marsupial mammals and placental mammals.

02

Explanation for the correct answer

There are very few living species of monotremes, it includes platypus and echidnas. Hence, option (d) is the correct answer.

03

Explanation for the incorrect options

a. kangaroos.

Kangaroos are marsupials that are found in Australia. Hence, option (a) is the incorrect answer.

b. koalas.

Koalas are marsupials. Hence, option (b) is the incorrect answer.

c. bandicoots.

Bandicoots are marsupials, which are found in Australia. Hence, option (c) is the incorrect answer.

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