1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 51, Problem 2IQ
Summary Introduction
Todescribe: The reason behind the concept that egg-laying hardly advances from livebearing.
Introduction: The egg-laying organisms lay their eggs and show less or no embryonic development inside the mother. However, livebearer organisms are animals that give birth to young ones. Nearly all members of the Poeciliidae family are livebearer.
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Which 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 energy
What is the adaptive significance of having sperm and egg produced at different times?
What are similarities of sexual and asexual reproduction?
Chapter 51 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 51.1 - Prob. 1LOCh. 51.1 - Prob. 2LOCh. 51.1 - Prob. 3LOCh. 51.2 - Prob. 1LOCh. 51.2 - Prob. 2LOCh. 51.3 - Prob. 1LOCh. 51.3 - Prob. 2LOCh. 51.3 - Prob. 3LOCh. 51.4 - Prob. 1LOCh. 51.4 - Explain ovulation and the female reproductive...
Ch. 51.4 - Prob. 3LOCh. 51.5 - Prob. 1LOCh. 51.5 - Describe causes of infertility.Ch. 51 - Prob. 1DACh. 51 - Why might it be adaptive for an individual to be...Ch. 51 - Prob. 2IQCh. 51 - Why do you think the brain is affected when the...Ch. 51 - You have discovered a new organism living in tide...Ch. 51 - Prob. 2UCh. 51 - Prob. 3UCh. 51 - Which of the following structures is the site of...Ch. 51 - FSH and LH are produced by the a. ovaries. b....Ch. 51 - Prob. 6UCh. 51 - Mutations that affect proteins in the acrosome...Ch. 51 - In humans, fertilization occurs in the____, and...Ch. 51 - The testicles of male mammals are suspended in the...Ch. 51 - Prob. 1ACh. 51 - Which of the following is a major difference...Ch. 51 - Prob. 3ACh. 51 - Internal and external fertilization differ in that...Ch. 51 - Prob. 1SCh. 51 - Why do you think that amphibians and many fish...Ch. 51 - How are the functions of FSH and LH similar in...Ch. 51 - Prob. 4SCh. 51 - Why are all parthenogenic parents female?
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- Which of the following characterizesparthenogenesis?(A) An individual may change its sex during itslifetime.(B) Specialized groups of cells grow into newindividuals.(C) An organism is first a male and then a female.(D) An egg develops without being fertilized.arrow_forwardHow do we develop from a single fertilized egg cell?arrow_forwardWhy is sexual reproduction useful if only half the animals can produce offspring and two separate cells must be combined to form a third?arrow_forward
- If it takes just one sperm to fertilize an egg,why do males make so many?arrow_forwardHow does a single fertilized egg (zygote) give rise to the variety of cell types, organs, and systems that look and function differently despite all possessing the same genome?arrow_forwardName the process of development of egg into young one without fertilization?arrow_forward
- What are advantages of asexual reproduction? Select all that apply. A) In a stable environment, a population that develops from asexual reproduction can grow quickly and thrive. B) In an unstable environment, a population that develops from asexual reproduction can grow quickly and thrive. C) Species that reproduce through asexual reproduction have more genetic diversity. D) Organisms in isolated areas can still reproduce through asexual reproduction.arrow_forwardWhat is the difference between embryotic and fetal stage?arrow_forwardWhy does external fertilization lead to an increase of genetic variation?arrow_forward
- What 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_forwardIn the list of animals given below, hen is the odd one out.Human being, cow, dog, henThe reason for this is: (a) it undergoes internal fertilisation. (b) it is oviparous. (c) it is viviparous. (d) it undergoes external fertilisation.arrow_forwardIn the history of evolution, which animals were the first to develop sexual reproduction?arrow_forward
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