Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Textbook Question
Chapter 9, Problem 3AC
Some animal species can reproduce either asexually or sexually, depending on the state of the environment. Which form of reproduction do you think would have the greatest advantage in a rapidly changing environment? Which form would be most successful in a stable environment? Explain your reasoning in each case.
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For each of the following, choose whether it is true of sexual reproduction or asexual
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Why is sexual reproduction useful if only half the animals can produce offspring and two separate cells must be combined to form a third?
Identify each of these statements as ones that describe asexual reproduction (A),sexual reproduction (S), or could describe both (B) forms of reproduction. Writeyour answer on the space provided before each number.B= BothA= Asexual ReproductionS= Sexual Reproduction1. organism does not need a mate to reproduce2. takes some time to create offspring-3. the offspring are not the exact copy of their parent/s4. it is a quick process5. does not need to develop special cells for reproduction6. environmental changes affect all individuals-7. may only be able to reproduce with a limited number or may notreproduce at all_8. offspring are reproduced9. characteristics are passed down to the next generation10. many new organisms are created in a short period of time11. dogs and cats reproduce this way12. amoeba, yeast and bacteria reproduce this way.13. plants reproduce this way14. production of gametes is necessary15. its purpose is the survival and continuity of species
Chapter 9 Solutions
Biology: Life on Earth
Ch. 9 - Fill-in-the-Blank The genetic material of all...Ch. 9 - Fill-in-the-Blank Genetically identical offspring...Ch. 9 -
2. Prokaryotic cells divide by a process called...Ch. 9 - Growth and development of eukaryotic organisms...Ch. 9 - Fill-in-the-Blank Most plants and animals have...Ch. 9 - The four phases of mitosis are _______, _______,...Ch. 9 - Prob. 7FTBCh. 9 - Prob. 8FTBCh. 9 - Fill-in-the-Blank During__________ of meiosis I,...Ch. 9 - Fill-in-the-Blank Three processes that promote...
Ch. 9 - Prob. 1RQCh. 9 - Prob. 2RQCh. 9 -
2. Define mitosis and cytokinesis. What changes...Ch. 9 - Diagram the stages of mitosis. How does mitosis...Ch. 9 - Define the following terms: homologous chromosome...Ch. 9 -
5. Describe and compare the process of...Ch. 9 - How is the cell cycle controlled? Why is it...Ch. 9 - Diagram the events of meiosis. At which stage do...Ch. 9 - Prob. 9RQCh. 9 - In what ways are mitosis and meiosis similar? In...Ch. 9 - Describe or diagram the three main types of...Ch. 9 - Describe how meiosis provides for genetic...Ch. 9 - Most nerve cells in the adult human central...Ch. 9 - Cancer cells divide out of control. Side effects...Ch. 9 - Some animal species can reproduce either asexually...
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- Why do asexual reproduction in animals reproduce faster than sexual reproduction? In which environment will reproduction be more effective, stable or predictable? Explain your answer in 3 sentences only. In which method has high rate of survival, sexual or asexual reproduction? Why?arrow_forwardDescribe the main differences between asexual and sexual reproduction. Why are both types of reproduction common?arrow_forwardAsexual reproduction has all of the following advantages over sexual reproduction EXCEPT Question 1 options: No "cost of males" Can found a new population from a single individual There are no advantages to asexual reproduction Produces more offspring per reproductive event In unchanging environments, offspring are exactly as adapted as their parents to their habitatarrow_forward
- Which factors are responsible for successful reproduction in male? Do you think the reproductive efficiency of male is declining with the passage of time? Support your point of view with examples.arrow_forwardAsexual reproduction passes on 100% of the parent's genes but it is relatively rare. What are the advantages of sexual vs asexual reproduction? In some cases, species are hermaphrodites to reduce the difficulty in finding mates. What is the difference between simultaneous and sequential hermaphrodites? Why is "selfing" relatively rare?arrow_forwardBriefly compare and contrasts the advantage of asexual and sexual reproduction. Which one is most common in animals?arrow_forward
- One potential advantage of sexual reproduction is that offspring will have more genetic ______________ compared to offspring produced by asexual reproduction. Group of answer choices A)diversity B)identity C)similarity D)diplomacyarrow_forwardEgg laying in fruit flies can be triggered (induced) when males transfer their sperm to females. Which of the following is a selective advantage of induced egg laying for the male flies? Less time and energy is expended by the male. The males do not have to produce as much sperm. More eggs can be fertilized. A male fly's sperm is more likely to be used for fertilization. Submit Request Answerarrow_forwardWhat is the minimum number of individuals required to undergo sexual reproduction? Explain your answer.arrow_forward
- Describe an example of each of the following: a pre-zygotic barrier to reproduction a post-zygotic barrier to reproductionarrow_forwardA paradox of sexual reproduction is that despite its being widespread in nature, the question of why it exists at all is still unresolved. What are some disadvantages of sex? What are some consequences of sex that make it so important?arrow_forwardWhat is NOT a disadvantage of internal fertilization? the ability to reproduce on land without needing external water the need for more specialized reproductive structures the production of fewer embryos the reduction in the randomness of fertilization (less genetic variability in offspring)arrow_forward
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Reproduction: Crash Course Zoology #9; Author: CrashCourse;https://www.youtube.com/watch?v=poLyJDVjKlM;License: Standard youtube license