The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda. Introduction: Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside. Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

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Answer 1

Question

Chapter 32.3, Problem 2SB

Summary Introduction

To review:

The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda.

Introduction:

Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside.

Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

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What factors support the placement of phoronids and brachiopods as sister taxa?

Answer 2

Question

Chapter 32.3, Problem 2SB

Summary Introduction

To review:

The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda.

Introduction:

Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside.

Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

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Answer 3

Question

Chapter 32.3, Problem 2SB

Summary Introduction

To review:

The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda.

Introduction:

Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside.

Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

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Answer 4

Question

Chapter 32.3, Problem 2SB

Summary Introduction

To review:

The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda.

Introduction:

Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside.

Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

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Answer 5

Chapter 32.3, Problem 2SB

Summary Introduction

To review:

The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda.

Introduction:

Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside.

Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

Answer 6

Chapter 32.3, Problem 2SB

Summary Introduction

To review:

The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda.

Introduction:

Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside.

Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

Answer 7

Chapter 32.3, Problem 2SB

Summary Introduction

To review:

The largest and fewest number of species among the taxonomic groups Amniota, Gnathostomata, and Tetrapoda.

Introduction:

Amniotes are known to lay eggs on land because an egg has a protective membrane, which protects the fetus from the external surroundings. Amniote includes almost all the animals that are terrestrial including reptiles, birds, and mammals. Amniotes evolved themselves to provide a wet condition in order to provide nourishment and development of the fetus inside.

Gnathostomata is the group of vertebrates, which has jaws and appendages that are paired. Hard skull and calcified bones are a few of the distinctive features of Gnathostomata. Tetrapods, as the name suggests, are the vertebrates that possess four limbs. Mammals and reptiles, including birds, comprise a major part of the tetrapods.

Answer 8

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Answer 11

Ch. 32.1 - What organ system is unique to echinoderms, and...Ch. 32.1 - How does a perforated pharynx enable hemichordates...Ch. 32.2 - On a field trip to a lake, a college student...Ch. 32.2 - Prob. 2SB Ch. 32.3 - How do the Hox genes of vertebrates differ from...Ch. 32.3 - Prob. 2SB Ch. 32.4 - Prob. 1SB Ch. 32.4 - What traits in conodonts and ostracoderms are...Ch. 32.5 - Prob. 1SB Ch. 32.5 - Prob. 2SB

Solution Summary: The author describes the taxonomic groups Amniota, Gnathostomata and Tetrapoda.

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