Essentials of Biology
4th Edition
ISBN: 9780078024221
Author: Sylvia S. Mader Dr., Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 15, Problem S1.2BYB
Summary Introduction
To determine:
The reason evolution is a core concept of biology.
Introduction:
Evolution is defined as the variation that occurs due to a change in the hereditary characteristics among biological population over successive generations. Evolution causes biodiversity among the species and individual organisms. The variation among the individuals is due to the presence of different hereditary characters that are inherited from their parents.
Expert Solution & Answer
Explanation of Solution
The theory of natural selection brings evolution in biology. It causes variation among the individuals and favors heterozygote population over the homozygous. Heterozygote is formed by sexual reproduction, in which the haploid male and female gametes are united to form zygote and then the offspring are diploid.
The offspring produced inherits the characters from both the parents, but are not the exact copy of their parents. Evolution brings out the hereditary changes. Individuals can survive in different habitats and are able to survive in the changing adaptations and produce offspring. Evolution brings stability among the individuals.
Conclusion
Evolution is caused by mutations, hybridization, and inbreeding depressions that occurs among the species. Natural selection is responsible for causing evolution.
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Students have asked these similar questions
Describe and give a specific example of how successionary stage is related to species diversity?
Explain down bellow what happens to the cell in pictures not in words:
Decreased pH in mitochondria
Increased ATP
Decreased pH in cytosol
Increased hydrolysis
Decreasing glycogen and triglycerides
Increased MAP kinase activity
Poor ion transport → For each one:→ What normally happens?→ What is wrong now?→ How does it mess up the cell?
1.) Community Diversity:
The brown and orange line represent two different plant communities.
a. Which color represents the community with a higher species richness?
b. Which color represents the community with a higher species evenness?
Relative abundance
0.1
0.04
0.001
2 4 6
8
10 12 14 16 18 20 22 24
Rank abundance
c. What is the maximum value of the Simpson's diversity index (remember, Simpson's
index is D = p², Simpson's diversity index is 1-D)?
d. If the Simpson's diversity index equals 1, what does that mean about the number of
species and their relative abundance within community being assessed?
Chapter 15 Solutions
Essentials of Biology
Ch. 15.1 - Describe the three types of natural...Ch. 15.1 - Prob. 2LOCh. 15.1 - Prob. 1CYPCh. 15.1 - Prob. 2CYPCh. 15.1 - List the forces that help maintain genetic...Ch. 15.1 - Prob. 4CYPCh. 15.1 - Prob. 1ACh. 15.1 - Prob. 2ACh. 15.1 - Prob. 3ACh. 15.1 - choose the type of selection that best matches the...
Ch. 15.1 - Prob. 5ACh. 15.2 - Prob. 1LOCh. 15.2 - Prob. 2LOCh. 15.2 - Prob. 3LOCh. 15.2 - Prob. 1CYPCh. 15.2 - Prob. 2CYPCh. 15.2 - List the live factors that prevent microevolution...Ch. 15.2 - Prob. 4CYPCh. 15.2 - Prob. 5CYPCh. 15.2 - Prob. 6CYPCh. 15.2 - Prob. 6ACh. 15.2 - Prob. 7ACh. 15.2 - Prob. 8ACh. 15.2 - Prob. 9ACh. 15.2 - Prob. 10ACh. 15 - Prob. S1.2BYBCh. 15 - Prob. S9.3BYBCh. 15 - Prob. S14.1BYBCh. 15 - Prob. 1BYBCh. 15 - Prob. 2BYBCh. 15 - Prob. 3BYBCh. 15 - Prob. S1.2CTCCh. 15 - Section 14.1 explains how natural selection plays...Ch. 15 - Prob. S16.1CTCCh. 15 - Prob. 1TCCh. 15 - Prob. 2TC
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