WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 26, Problem 1MC
Summary Introduction
Introduction:
Asexual reproduction may be quick, but sexual reproduction has its advantages over asexual reproduction.
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Which statement about menopause is most correct?
A. Menopause has to be adaptive because life-history theory predicts that women should not outlive their reproductive capacity, so menopause must have some function.
B. Menopause has to be adaptive because humans, not chimpanzees, experience menopause, and humans are evolutionarily more advanced than chimps.
C. Several hypotheses for menopause as an adaptation have been proposed, but more evidence is necessary to support any one of them.
D. Several hypotheses for menopause as an adaptation have been proposed, but they have not been tested.
How does the production of sperm differ from the production of eggs? a. Sperm production involves meiosis, whereas egg production involves only mitosis. b. Meiosis during sperm production produces four sperm cells, whereas meiosis during egg production produces only one functional egg cell. c. Sperm are haploid, whereas eggs are diploid. d. Sperm production begins during fetal development, whereas the meiotic process that begins egg production doesn’t begin until puberty
You are examining a population of C. elegans in their natural habitat, a fresh steaming pile of nutrient-rich compost. Predict what you might expect to see in terms of mode of reproduction in the population.
a.
The population will primarily reproduce asexually then when they run out of nutrient-rich compost.
b.
The population will have mostly hermaphrodites with a few males.
c.
The population will have a really high frequency of males compared to lab conditions.
d.
The population will primarily undergo sexual reproduction.
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WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
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- Binary fission is a form of asexual reproduction. What is an advantage of asexual reproduction when compared to sexual reproduction? a Asexual organisms are less likely to have mutations in their DNA than sexual organisms are. b An organism that reproduces asexually can reproduce much more quickly than an organism that reproduces sexually. c An asexual organism lives longer than an organism that reproduces sexually. d An organism that reproduces asexually is better equipped to respond to environmental changes than an organism that reproduces sexually.arrow_forwardIn an experiment in which resource allocation was studied in ovariectomized and sham-operated brown anoles, results showed that - A. Females which laid fewer eggs per clutch had lower rates of survival. B. Allocation to reproduction enhanced the growth and survival of the brown anoles. C. The females which laid eggs more eggs had higher survival rates. D. The females which did not lay eggs showed higher growth and survival rates.arrow_forwardWhen genetic males lacked the enzyme that converts testosterone to dihydrotestosterone, what happened to their sexual development? a. They developed an exaggerated male anatomy. b. They looked female at birth but developed male structures at puberty. c. They looked male at birth but developed female structures at puberty. d. They developed as females, except without menstruation or pubic hair.arrow_forward
- You discover a new species of reptile that can either lay eggs or have live birth. The species has a broad range from warm subtropical areas to cool temperate areas. In which environment would you expect oviparity? A. Cool temperate B. Warm subtropical Choose between a and b and provide rationalearrow_forwardWhich refers to the process where animal reproduce asexually and sexually to ensure perpatuation and survival of this species ?arrow_forwardWhich of the following is an advantage of asexual reproduction? A. The population can reproduce more rapidly. B. It takes time and energy to find a mate. C. It takes two parents to reproduce. D. There is decreased genetic variation.arrow_forward
- Which mechanism prevents an ovum from being fertilized by multiple sperm cells? A. Once a sperm penetrates the jelly-like coating of the egg, no other sperm cell can penetrate the coating. B. When a sperm fuses with the plasma membrane of the egg, depolarization of the membrane occurs. C. The egg can survive in the Fallopian tube for 24 hours s it does not have mitochondria to produce energy. D. When more than a single sperm cell fuses with the plasma membrane, multiple zygotes can form, leading to the twin or triplets.arrow_forwardSome animals in captivity have reproduced without the need for a mate in a process called parthenogenesis. Examples include boas, pythons, bonnethead sharks, and komodo dragons. Initially, scientists thought this occurred because the animals were kept in optimal conditions for reproduction, but lacked access to a mate. However, scientists were surprised to discover that some species in the wild with access to mates also reproduce through parthenogenesis. An example is the pit-viper. Compare and contrast the processes of asexual reproduction through parthenogenesis and sexual reproduction for an animal such as the python. Describe the processes of i. asexual reproduction through parthenogenesis ii. sexual reproduction 2. Describe two pros and two cons of each form of reproduction. Explain each one.arrow_forwardWhich of the following is a advantage of asexual reproduction? a.)Same DNA being passed down-NO GENETIC VARIATION IN THE OFFSPRING b.)If parent has genetic disease offspring will have it too c.)Only one parent involved. No searching for mates d.)Requires more cellular energyarrow_forward
- Female mammals undergo continuous reproductive cycles during their reproductive life. In the sense of offspring production, what is the benefit of these continuous cycles?arrow_forwardHow do you expect Kartagener syndrome leads to infertility? A. The lack of a plasma membrane means that pathogens and foreign substances can permeate the sperm and damage the DNA B. The lack of microtubules mean the sperm do not have tails and cannot swim to fertilize the egg C. The lack of dynein means that the sperm cannot bend their tails to swim and fertilize the eggarrow_forwardIf an organism reproduces very freely by asexual means, is there any advantage to its also reproducing sexually?arrow_forward
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