Why childbirth is so difficult. Introduction: Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

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Answer 1

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Chapter 43.5, Problem 1HYEW

Summary Introduction

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

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According to Richard Owen, the forelimbs of an adult human (with hands, adapted for grasping fruit), and the forelimbs of an adult cat (with claws, adapted for catching prey animals), are both derived from the same embryological structures, so they must represent: analogous structures, with similar functions, but different anatomy homologous structures, with similar anatomy, but different functions analogous structures, with different functions, and different anatomy homologous structures, with different anatomy, but similar functions analogous structures, with different anatomy, and different functions

According to Richard Owen, the forelimbs of an adult human (with hands, adapted for grasping fruit from a tree), and the forelimbs of an adult bat (with wings, adapted for flight), are both derived from the same mammalian embryological structures, so they must represent: homologous structures, with similar embryonic anatomy, but different functions analogous structures, with different functions, and different embryonic anatomy analogous structures, with similar functions, but different embryonic anatomy analogous structures, with different embryonic anatomy, and different functions homologous structures, with different embryonic anatomy, but similar functions

Which of the following is an INCORRECT statement? Question 6 options: a) The early embryo of a higher animal is never like a lower animal, but only like its early embryo. b) During the first three stages of development, blastomeres become smaller by way of each embryonic cleavage. c) The space inside of the neural tube will eventually become the space inside of the digestive system. d) A zygote results from the union of sperm and egg.

Answer 2

Question

Chapter 43.5, Problem 1HYEW

Summary Introduction

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Expert Solution & Answer

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Answer 3

Question

Chapter 43.5, Problem 1HYEW

Summary Introduction

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Expert Solution & Answer

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Answer 4

Question

Chapter 43.5, Problem 1HYEW

Summary Introduction

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Expert Solution & Answer

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Answer 5

Chapter 43.5, Problem 1HYEW

Summary Introduction

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Answer 6

Chapter 43.5, Problem 1HYEW

Summary Introduction

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Answer 7

Chapter 43.5, Problem 1HYEW

Summary Introduction

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Answer 8

Expert Solution & Answer

Answer 9

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Answer 10

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Answer 11

Ch. 43.1 - define development and describe how cell division...Ch. 43.2 - Prob. 1CYL Ch. 43.3 - describe early development in amphibians,...Ch. 43.3 - Prob. 2CYL Ch. 43.4 - Prob. 1TC Ch. 43.4 - Prob. 2TC Ch. 43.4 - Does the development of a human limb, and the rest...Ch. 43.4 - Prob. 1CYL Ch. 43.4 - Prob. 2CYL Ch. 43.5 - Prob. 1TC

Why childbirth is so difficult. Introduction: Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Solution Summary: The author explains that the women's hip has evolved wider so that large headed infants would be easily squeezed out. In humans, childbirth is painful due to the large head of a newborn baby and smaller pelvic opening in

Concept explainers

Videos

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Want to see the full answer?

Chapter 43 Solutions

Why childbirth is so difficult. Introduction: Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Solution Summary: The author explains that the women's hip has evolved wider so that large headed infants would be easily squeezed out. In humans, childbirth is painful due to the large head of a newborn baby and smaller pelvic opening in

Concept explainers

Videos

To determine: Why childbirth is so difficult. Introduction: Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.

Want to see the full answer?

Chapter 43 Solutions

To determine:

Why childbirth is so difficult.

Introduction:

Earlier, head of the newborn babies was smaller due to the poor nutrients. But now, the women’s hip has evolved wider so that large headed infants would be easily squeezed out.