EBK INQUIRY TO LIFE - ACCESS CARD
16th Edition
ISBN: 9781260918403
Author: Mader
Publisher: INTER MCG
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Textbook Question
Chapter 22, Problem 3A
Which primary germ layer is not correctly matched to an organ system or organ that develops from it?
- Ectoderm-- nervous system
- Endoderm -- lining of the digestive track
- Mesoderm -- skeletal system
- Endoderm -- cardiovascular system morulal
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Endoderm
Mesoderm
Ectoderm
Match the structures below with the correct germ layers listed above that they are formed from.
Number:
Answer
Answer
Answer
Answer
Tissues and Organs:
Central Nervous System
Lining of the Digestive Tract
Skin
Skeleton
The chart above shows the structures and processes that form the extra-embryonic and embryonic membranes.
Place the number in the blank that corresponds to the correct membrane that forms the system, or the structure that is formed by the membrane.
Record the answers in the box in the same order as you entered the numbers from top to bottom.
____
Endoderm
____
Ectoderm
____
Umbilical Cord
____
Chorion
____
Circulatory System
___________
The correct order of the process that occurs when a sperm encounters an egg is the
sperm reaches ovum, implantation occurs, zygote is formed, embryo begins secreting hCG.
sperm reaches ovum, zygote is formed, implantation occurs, embryo begins secreting hCG.
sperm reaches ovum, embryo begins secreting hCG, implantation occurs, zygote is formed.
sperm reaches ovum, embryo begins secreting hCG, zygote is formed, implantation occurs.
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QUESTION 20
Chapter 22 Solutions
EBK INQUIRY TO LIFE - ACCESS CARD
Ch. 22.1 - Identify the major structures of a sperm cell and...Ch. 22.1 - Describe the steps involved in fertilization.Ch. 22.1 - Describe the cellular, tissue, and organ stages of...Ch. 22.1 - Outline the steps of fertilization, beginning with...Ch. 22.1 - Describe two ways that an oocyte avoids...Ch. 22.1 - Compare and construct the cellular and tissue...Ch. 22.1 - Identify the organ system that are formed from...Ch. 22.2 - Explain how cellular differentiation and...Ch. 22.2 - Explain how cytoplasmic segregation and induction...Ch. 22.2 - Describe how morphogen genes, homeotic genes and...
Ch. 22.2 - Describe two process that are associated with...Ch. 22.2 - Define the term “morphogen”.Ch. 22.2 - Explain the function of the homeobox sequence in a...Ch. 22.3 - Identify the extraembryonic membranes and provide...Ch. 22.3 - Summarize in chronological order, the major events...Ch. 22.3 - Describe the flow of blood in a fetus and explain...Ch. 22.3 - Besides tobacco, alcohol, and illegal drugs what...Ch. 22.3 - Prob. 1CYPCh. 22.3 - Summarize the major events by month during fetal...Ch. 22.3 - Describe the path of blood flow in the fetus...Ch. 22.3 - Explain the function of the placenta.Ch. 22.4 - Describe changes that occur in Indian psychology...Ch. 22.4 - Outline the stages of birth.Ch. 22.4 - Summarize the advantages of breast-feedingCh. 22.4 - Describe the psychological changes that occur in a...Ch. 22.4 - Identify the stage of parturition in which the...Ch. 22.4 - Define colostrum, and least three advantage of...Ch. 22.5 - Describe the factors that contribute to aging.Ch. 22.5 - Discuss the effects of aging on various body...Ch. 22.5 - What is the rule of the hippocampus, and how does...Ch. 22.5 - How might anti-inflammatory drugs slow the...Ch. 22.5 - Explain how telomeres influence cellular aging.Ch. 22.5 - Summarize how that may contribute to aging.Ch. 22.5 - Summarize the diseases that are associated with...Ch. 22 - Prob. S5.4BYBCh. 22 - Figure 21.3 and 21.7 What are the difference...Ch. 22 - Section 21.2 and 21.3 Where does fertilization...Ch. 22 - Only one sperm enters an egg because Sperm have an...Ch. 22 - The fusion of a sperm and then it will initially...Ch. 22 - Which primary germ layer is not correctly matched...Ch. 22 - Which process is responsible for the shape and...Ch. 22 - The ability of one embryonic tissue to the...Ch. 22 - The Identity of each segment of a development...Ch. 22 - Prob. 7ACh. 22 - Prob. 8ACh. 22 - Prob. 9ACh. 22 - Prob. 10ACh. 22 - Which of the following is increased in the mother...Ch. 22 - Prob. 12ACh. 22 - Prob. 13ACh. 22 - Mitochondria contain their own genetic material....Ch. 22 - Prob. 2TCCh. 22 - 3. Variety of fertility tests are available for...
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- After fertization occurs what is the fertilized cell calledarrow_forwardEctoderm, or middle layer, give rise to connective and muscular tissue. Group of answer choices -True -Falsearrow_forwardComplete the following table with the organs/systems that arise from each of the germ layers Germ Layer Fate Ectoderm Endoderm Mesodermarrow_forward
- Which statement below concerning oogenesis is FALSE? About half the oogonia complete mitosis between birth and puberty. An ovum completes its last meiosis after it is fertilized. At birth, girls have already lost the majority of their oocytes. oogenesis begins before birth. OOva develop from stem cells called oogonia.arrow_forwardBoth ocelli and statocysts are composed in part of nerve tissue. True Falsearrow_forwardWhich of the following gives rise to the skin cells? a. ectoderm b. endoderm c. mesoderm d. none of the abovearrow_forward
- After fertilization a developing embryos goes through several changes. At about 2-3 days, what is the embryo referred to as?arrow_forwardWhich tissue type or organ is correctly matched with its germ layer tissue? A) nervous–mesoderm B) muscular–ectoderm C) stomach–mesoderm D) skin–ectodermarrow_forwardThis is a cross section of Ascaris male and female. Which parts are derived from the ectoderm, endoderm, and mesoderm.arrow_forward
- What is the outer layer of trophoblast termed* Cytotrophoblast Extra-embryonic mesoderm O Syncytiotrophoblast Connecting stalkarrow_forwardOne of the following is not one of the significance of zona pellucida zonal reaction results preventing further penetration of other sperm It keeps dividing cells together during migration It prevents adhesion between the developing zygote& the epithelium tube It enhances (helps) the process of ectopic pregnancyarrow_forwardThe mother has delivered the placenta. You note that the shiny surface of the placenta was delivered first. What delivery mechanism is this known and is this maternal or baby's surface of the placenta? Schultze mechanism, baby Duncan mechanism baby Duncan mechanism, maternal Schultze mechanism, maternalarrow_forward
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