Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 35, Problem 8TY
Summary Introduction
Introduction:
The land animals gradually adapted to survive away from the water bodies for a longer duration. The most important change was the internal fertilization and development of an egg. The amniotic eggs have several membranes for nutrition, respiration, excretion, and protection of the developing embryo.
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During the embryonic developmen, the trophoblast will developed into
Select one:
A. The embryonic disc
B. The chorion
C. The amnion and amniotic cavity
D. The yolk sac
From which of the following is the embryo developed?
a) Trophoblasts
b) Blastocoelen
c) The yellow sacks
d) Inner cell mass
Into which structures do the trophoblast cells of the developing embryo, differentiate? a) The developing foetus b) The yolk sac c) The placenta d) The blood vessels e) All of the above
Chapter 35 Solutions
Biology
Ch. 35.1 - Prob. 1CCCh. 35.3 - Core Skill: Connections Are fish a monophyletic...Ch. 35.3 - What features distinguish ray- finned fishes from...Ch. 35.3 - Prob. 2CCCh. 35.4 - What was the purpose of the study conducted by...Ch. 35.4 - Prob. 2EQCh. 35.4 - CoreSKILL Summarize the results of the...Ch. 35.4 - What were the advantages to animals of moving onto...Ch. 35.4 - Prob. 2CCCh. 35.5 - Prob. 1CC
Ch. 35.5 - Core Skill: Modeling The goal of this modeling...Ch. 35.5 - Prob. 2CCCh. 35.5 - Core Skill: Connections Look ahead to Figure...Ch. 35.5 - Prob. 3CCCh. 35.6 - Prob. 1CSCh. 35 - Which of the following is not a defining...Ch. 35 - Prob. 2TYCh. 35 - Prob. 3TYCh. 35 - Prob. 4TYCh. 35 - Prob. 5TYCh. 35 - Which clade does not include frogs? a. vertebrates...Ch. 35 - Prob. 7TYCh. 35 - Prob. 8TYCh. 35 - Prob. 9TYCh. 35 - Which of the following is not a distinguishing...Ch. 35 - Prob. 1CQCh. 35 - Prob. 2CQCh. 35 - Prob. 3CQCh. 35 - By what means can vertebrates move?Ch. 35 - Prob. 2COQ
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- Internal and external fertilization differ in that species thata. produce an amniotic egg have internal fertilization.b. without an amniotic egg have external fertilization.c. produce live young have mammary glands.d. lay eggs are external fertilizersarrow_forwardDuring embryonic development, unique cell layers develop into specific groups of tissues or organs during a stage called ________. a. the blastula stage b. the germ layer stage c. the gastrula stage d. the organogenesis stagearrow_forwardWhich of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veinsarrow_forward
- How is colostrum most important to a newborn?a. It helps boost the newborn’s immune system.b. It provides much needed fat.c. It satisfies the newborn’s thirst.d. It satisfies the infant’s appetite.arrow_forwardThe inner cell mass of a human blastocysta. gives rise to the chorion.b. gives rise to the placenta.c. gives rise to the embryo.d. consists of highly differentiated cells.arrow_forwardWhich of the following is false? a. The endoderm, mesoderm, ectoderm are germ layers. b. The trophoblast is a germ layer. c. The inner cell mass is a source of embryonic stem cells. d. The blastula is often a hollow ball of cells.arrow_forward
- Endoderm, Mesoderm, and Ectoderm are formed during ________. a. Gametogenesis b. Cleavage c. Gastrulation d. Organogenesisarrow_forwardThe folding of ectoderm on the top of the embryo during organogenesis produces...? Group of answer choices a. somites b. the archenteron c. the neural tube d. the gastrula e. the blastulaarrow_forwardWhich of the following statements is NOT correct about the umbilical cord? a. The umbilical cord is formed from the yolk sac and the allantois. b. The umbilical cord is formed from the chorion. c. The umbilical cord consists of two arteries and one vein. d. The placenta connects to the embryon via the umbilical cord.arrow_forward
- Which of the following extra-embyonic membranes become the embryonic portion of the structure involved in waste and nutrient exchange between the embryo and the mother? Select one: A. Amnion B. york sac C. Chorion D. Allantoisarrow_forwardThe beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b. organogenesis.c. neurulation.d. gastrulation.arrow_forwardAt 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)organogenesisarrow_forward
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