The adaptive value of developing a placenta. Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta .

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Answer 1

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Chapter 51, Problem 16TYU

Summary Introduction

To explain: The adaptive value of developing a placenta.

Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta.

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At which embryonic event would one be able to first distinguish whether an embryo is diploblastic or triploblastic? A)cleavage B)metamorphosis C)fertilization D)gastrulation E)organogenesis

Answer 2

Question

Chapter 51, Problem 16TYU

Summary Introduction

To explain: The adaptive value of developing a placenta.

Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta.

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Answer 3

Question

Chapter 51, Problem 16TYU

Summary Introduction

To explain: The adaptive value of developing a placenta.

Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta.

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Answer 4

Question

Chapter 51, Problem 16TYU

Summary Introduction

To explain: The adaptive value of developing a placenta.

Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta.

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Answer 5

Chapter 51, Problem 16TYU

Summary Introduction

To explain: The adaptive value of developing a placenta.

Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta.

Answer 6

Chapter 51, Problem 16TYU

Summary Introduction

To explain: The adaptive value of developing a placenta.

Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta.

Answer 7

Chapter 51, Problem 16TYU

Summary Introduction

To explain: The adaptive value of developing a placenta.

Introduction: The duration of pregnancy in humans is about 266 days on an average from the time of fertilization to the birth of the baby. The egg is fertilized in the oviduct and is converted into an embryo. The embryo gets implanted into the uterus on about seventh day of development. The organ of exchange between a mother and the embryo implanted in the uterus is known as the placenta.

Answer 8

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Answer 11

Ch. 51.1 - Prob. 1LO Ch. 51.1 - Prob. 2LO Ch. 51.1 - Prob. 1C Ch. 51.1 - Prob. 2C Ch. 51.2 - Prob. 3LO Ch. 51.2 - Prob. 4LO Ch. 51.2 - How do the mechanisms of fertilization ensure...Ch. 51.2 - Prob. 2C Ch. 51.3 - Prob. 5LO Ch. 51.3 - Contrast early development, including cleavage, in...

Solution Summary: The author explains the adaptive value of developing a placenta. It provides nutrients and oxygen to the fetus and removes the wastes that are excreted by the mother.

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