Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 42, Problem 1FIB
Reproduction by a single animal, without the need for sperm fertilizing an egg, is called ____________ reproduction. A(n) ____________ is a new individual that grows on the body of the adult and eventually breaks off to become independent. During _________, an adult animal splits into two or more pieces, and each piece regenerates a complete organism.
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Human Reproduction
Identify (make a line with name) and give functions of the following structures (full sentences).
Which of the following statements about reproduction in humans is correct?
(a) Fertilisation takes place externally.
(b) Fertilisation takes place in the testes.
(c) During fertilisation egg moves towards the sperm.
(d) Fertilisation takes place in the human female.
Match the tissue to the germ layer it develops from.
Question
Epithelium
Central nervous system
Muscles
Digestive tract
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All Answer Choices
A.
Endoderm
B.
Mesoderm
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Ectoderm
Chapter 42 Solutions
Biology
Ch. 42.1 - Prob. 1TCCh. 42.1 - Prob. 2TCCh. 42.1 - Prob. 1CSCCh. 42.1 - Prob. 1CYLCh. 42.1 - Prob. 2CYLCh. 42.1 - Prob. 3CYLCh. 42.2 - Mammalian sperm dont live very long after...Ch. 42.2 - Prob. 1TCCh. 42.2 - Prob. 1HYEWCh. 42.2 - describe the human male and female reproductive...
Ch. 42.2 - explain how hormonal interactons control...Ch. 42.2 - describe spermatogenesis and oogenesis, the...Ch. 42.3 - In 2017, scientists used CRISPR Cas9 DNA editing...Ch. 42.3 - describe the principal methods of contraception,...Ch. 42.3 - Prob. 2CTCh. 42 - In humans, sperm are produced in the a....Ch. 42 - In humans, fertilization usually occurs in the a....Ch. 42 - Prob. 3MCCh. 42 - Prob. 4MCCh. 42 - Prob. 5MCCh. 42 - Reproduction by a single animal, without the need...Ch. 42 - In mammals, the male gonad is called...Ch. 42 - Prob. 3FIBCh. 42 - Prob. 4FIBCh. 42 - Prob. 5FIBCh. 42 - Oocytes develop in a multicellular structure, the...Ch. 42 - Describe the advantages and disadvantages of...Ch. 42 - Compare the structures of the egg and sperm. What...Ch. 42 - Prob. 3RQCh. 42 - List the structures, in order, through which a...Ch. 42 - Name the three accessory glands of the male...Ch. 42 - Prob. 6RQCh. 42 - Prob. 1AC
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- Draw a picture of the cell that would form if the sperm cell fused with the egg cell. what is this cell calledarrow_forwardOne trait that unites animals as a group is that they all __________. Choose all that apply. Reproduce asexually Can be single-celled organisms as adults Have bilateral symmetry Require other living things to make biomolecules that provide their carbon and energy sources Create specialized internal organsarrow_forwardA previously infertile couple wishes to have a pregnancy but the man produces non-motile sperm. If it were possible to fertilize one of the woman's eggs by removing a sperm nucleus and injecting it into the egg, could this procedure ever produce viable offspring? Why or why not? Elaborate.arrow_forward
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