Ch.46 - Animal ReproductionSee all chapters
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Ch.1 - Introduction to Biology
Ch.2 - Chemistry
Ch.3 - Water
Ch.4 - Carbon
Ch.5 - Biological Molecules
Ch.6 - Cells
Ch.7 - The Membrane
Ch.8 - Energy and Metabolism
Ch.9 - Respiration
Ch.10 - Photosynthesis
Ch.11 - Cell Signaling
Ch.12 - Cell Division
Ch.13 - Meiosis
Ch.14 - Mendelian Genetics
Ch.15 - Chromosomal Theory of Inheritance
Ch.16 - DNA Synthesis
Ch.17 - Gene Expression
Ch.18 - Regulation of Expression
Ch.19 - Viruses
Ch.20 - Biotechnology
Ch.21 - Genomics
Ch.22 - Development
Ch.23 - Evolution by Natural Selection
Ch.24 - Evolution of Populations
Ch.25 - Speciation
Ch.26 - History of Life on Earth
Ch.27 - Phylogeny
Ch.28 - Prokaryotes
Ch.29 - Protists
Ch.30 - Plants
Ch.31 - Fungi
Ch.32 - Overview of Animals
Ch.33 - Invertebrates
Ch.34 - Vertebrates
Ch.35 - Plant Anatomy
Ch.36 - Vascular Plant Transport
Ch.37 - Soil
Ch.38 - Plant Reproduction
Ch.39 - Plant Sensation and Response
Ch.40 - Animal Form and Function
Ch.41 - Digestive System
Ch.42 - Circulatory System
Ch.43 - Immune System
Ch.44 - Osmoregulation and Excretion
Ch.45 - Endocrine System
Ch.46 - Animal Reproduction
Ch.47 - Nervous System
Ch.48 - Sensory Systems
Ch.49 - Muscle Systems
Ch.50 - Ecology
Ch.51 - Animal Behavior
Ch.52 - Population Ecology
Ch.53 - Community Ecology
Ch.54 - Ecosystems
Ch.55 - Conservation Biology

Animal Reproduction

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Animal Reproduction
Additional Problems
On a submarine expedition to the ocean bottom, you discover a population of fish that are only female. What type of reproduction does this fish most likely use? a. sexual b. budding c. cloning d. parthenogenesis
In an animal that switches between sexual and asexual reproduction, when is sexual reproduction more likely to occur?a. when conditions for survival are favorableb. when conditions for survival are unfavorablec. when males and females find each otherd. what conditions favor sexual over asexual remains a complete mystery
Animals that have external fertilization are most likely to reproduce in which of the following areas?a. sand duneb. polar ice sheetc. shallow laked. tallgrass prairie
Which of the following structures in females is analogous in function to the vas deferens in males? a. urethra b. oviduct c. uterus d. vagina
Which of the following are similar between spermatogenesis and oogenesis in vertebrate animals? Both oogenesis and spermatogenesis ________. I) begin at the onset of sexual maturity II) result in the production of four functional haploid cells from one diploid cell III) lead to the production of gametes from germ cells IV) are complete at the time of birth a. Both I and II b. Both III and IV c. Both II and III d. Only III
Mature human sperm and ova are similar in that they ________. a. both have the same number of chromosomes b. are approximately the same size c. each have a flagellum that provides motility d. are produced from puberty until death
Among human males, both semen and urine normally travel along the ________. a. vas deferens b. seminal vesicle c. urethra d. ureter
Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the question.In the figure, which letter points to the corpus luteum?a. Ab. Bc. Cd. D
Refer to the following figure, which diagrams the reproductive anatomy of the human female, to answer the question.In the figure, which structure is the site of embryo implantation?a. Bb. Cc. Dd. E
Refer to the following figure, which diagrams the reproductive anatomy of the human male, to answer the question.In the figure, which letter points to the prostate gland?a. Ab. Bc. Cd. D
Refer to the following figure, which diagrams the reproductive anatomy of the human male, to answer the question.In the figure, which letter points to the vas deferens?a. Ab. Bc. Cd. D
Why do animals lack "alternation of generations?"A) animals lack haploid cellsB) animal gametes are "2n,' not "n"C) animals are autotrophicD) animal gametes do not divide by 'mitosis, but fuse to form a zygote. 
Asexual reproduction results in offspring that are genetically identical to their parent. What type of cell process occurs to generate this type of offspring? a. mitosis b. meiosis c. cell fusion d. fertilization
What makes sexually reproduced offspring genetically different from their parents? a. genetic recombination during meiosis b. genetic recombination during mitosis c. crossing over during mitosis d. Sexual reproduction does not produce genetically different offspring
What is indirect development?
Contrast mitosis, meiosis, and fertilization by their processes and products.
Distinguish between estrous and menstrual cycles in mammals. 
Describe four forms of asexual reproduction n invertebrates.
When we discussed animal reproduction, we discussed how it is that a hermaphrodite can exist in mammals, even in humans. What is a hermaphrodite? Describe two mechanisms by which such individuals might arise.
Compare and Contrast: hermaphroditic vs. epitoky
A man swam in a cold lake for an hour, and then noticed that his scrotum was shrunken and wrinkled. His first thought was that he had lost his testicles. What had really happened?
Regarding medication and sexuality:A. alcohol consumption improves an erection in men.B. antidepressants may interfere with erectile ability.C. nitroglycerin can impair sexuality in men.D. most treatments for diabetes impair women's sexuality.