The correct answer is **Monotremes**.

Monotremes are a unique group of mammals characterized by their ability to lay eggs, which is a rare trait among mammals. Unlike eutherians (placental mammals) and marsupials (which give birth to undeveloped young that continue to develop in a pouch), monotremes reproduce by laying eggs.

The most well-known examples of monotremes are the platypus and the echidnas. These species exhibit both mammalian and reptilian traits, such as laying eggs like reptiles but also producing milk to nourish their young, which is a key characteristic of mammals. This reproductive method is thought to be an evolutionary remnant, as monotremes are among the most primitive living mammals, providing insight into the evolution of mammalian reproductive strategies.

Question

The correct answer is **Monotremes**.

Monotremes are a unique group of mammals characterized by their ability to lay eggs, which is a rare trait among mammals. Unlike eutherians (placental mammals) and marsupials (which give birth to undeveloped young that continue to develop in a pouch), monotremes reproduce by laying eggs.

The most well-known examples of monotremes are the platypus and the echidnas. These species exhibit both mammalian and reptilian traits, such as laying eggs like reptiles but also producing milk to nourish their young, which is a key characteristic of mammals. This reproductive method is thought to be an evolutionary remnant, as monotremes are among the most primitive living mammals, providing insight into the evolution of mammalian reproductive strategies.

Knowee AI · Accepted Answer

The correct answer is **Monotremes**.

Monotremes are a unique group of mammals characterized by their ability to lay eggs, which is a rare trait among mammals. Unlike eutherians (placental mammals) and marsupials (which give birth to undeveloped young that continue to develop in a pouch), monotremes reproduce by laying eggs.

The most well-known examples of monotremes are the platypus and the echidnas. These species exhibit both mammalian and reptilian traits, such as laying eggs like reptiles but also producing milk to nourish their young, which is a key characteristic of mammals. This reproductive method is thought to be an evolutionary remnant, as monotremes are among the most primitive living mammals, providing insight into the evolution of mammalian reproductive strategies.

______ are the mammalian group that lay eggs.Group of answer choicesEutheriansTunicatesMonotremesPrimatesMarsupials

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______ are the mammalian group that lay eggs.

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