Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 37, Problem 1RQ
What are some reasons a species may be absent from a habitat or region to which it should adapt well?
Expert Solution & Answer
Summary Introduction
To determine: The reasons for the absence of species from a particular habitat or area to which it should adapt well.
Introduction: The geographical distribution of the species can be explained with the help of fossil records. The fossil record indicates that some animals once flourished in the habitats that they no longer cover.
Explanation of Solution
The following are the reasons for the absence of species from a particular habitat or region:
- Some species become extinct through hunting.
- Some species prevent other species from colonizing in a particular region.
- Some physical barriers to the spread of the species are also one of the reasons.
- Environmental changes in a particular habitat also affect the species.
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Students have asked these similar questions
The Snapdragon is a popular garden flower that comes in a variety of colours, including red, yellow, and orange. The genotypes and associated phenotypes for some of these flowers are as follows:
aabb: yellow
AABB, AABb, AaBb, and AaBB: red
AAbb and Aabb: orange
aaBB: yellow
aaBb: ?
Based on this information, what would the phenotype of a Snapdragon with the genotype aaBb be and why?
Question 21 options:
orange because A is epistatic to B
yellow because A is epistatic to B
red because B is epistatic to A
orange because B is epistatic to A
red because A is epistatic to B
yellow because B is epistatic to A
A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
Chapter 37 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 37 - What are some reasons a species may be absent from...Ch. 37 - Prob. 2RQCh. 37 - Who first proposed the continental-drift theory?...Ch. 37 - Prob. 4RQCh. 37 - Prob. 5RQCh. 37 - What are the consequences of climatic cycles for...Ch. 37 - Prob. 7RQCh. 37 - Prob. 8RQCh. 37 - Prob. 9RQCh. 37 - Prob. 10RQ
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