BIOLOGY -TEXT
14th Edition
ISBN: 9781260710878
Author: Mader
Publisher: RENT MCG
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Provide at least one illustration of each of the following types of definition:
a. Denotative
b. Connotative
c. Genus and Differentia
The biological species concept defines a species by its morphology. In other words all members of the same species look alike? True or false?
What are three biological ways in which diversity and variation arises in individuals of species? In other words, why do
siblings not look exactly alike?
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- Provide at least one illustration of each of the following types of definition:a. Lexicalb. Stipulativec. Theoreticald. Denotativee. Connotativef. Genus and Differentiaarrow_forwardShould more weight should be given to genetic data or to information derived from comparative anatomy (phenotypes) in regard to taxonomic classification?arrow_forwardDoes the use of DNA sequences in the study of evolutionary relationships mean that other characteristics are unimportant in such studies? Discuss what other forms of evidence you may still want to use, along with when and why those other forms of evidence would be especially helpful.arrow_forward
- Why is the two kingdom system of classification inadequate?arrow_forwardWhich definition of "species" is considered the most accurate, as it based on the irreducible grouping of organisms within which there is a pattern of ancestry and descent?arrow_forwardOf all taxonomic categories, only species has an objective definition. What is it?arrow_forward
- While there are many criteria to describe the difference between two species, the biological definition of a species is based on being part of?arrow_forwardDiscuss the advantages and limitations of the morphological species concept in defining species.arrow_forwardWhat is meant by identification of a species?arrow_forward
- How would you design an experiment to determine whether two populations of snakes are distinct species according to the biological species concept? For which types of populations does the biological species concept not work as a way of determining how they are related?arrow_forwardClassification systems summarize much information about organisms, although often a key trait allows us to immediately distinguish between two different ones. Most of us are very familiar with dogs and cats, which are common pets. What key traits can you think of that would alwaysdistinguish a dog from a cat?arrow_forwardWhy might morphological traits be misleading when grouping things?arrow_forward
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