BIOLOGY:CONCEPTS &...(LL) W/ACCESS +LM
4th Edition
ISBN: 9781260684506
Author: Hoefnagels
Publisher: MCG
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Chapter 14.5, Problem 2MC
Summary Introduction
To determine:
The difference between background extinction and mass extinctions.
Concept introduction:
Background extinction is normal lossof individual species due to environmental or ecological factors such as climate change. Mass extinction, when great number of species disappeared in a relatively short time.
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Distinguish between background extinction and mass extinctions.
What patterns can be compare to the mass Extinctions events?
Understand what is meant by “mass extinctions.”
Chapter 14 Solutions
BIOLOGY:CONCEPTS &...(LL) W/ACCESS +LM
Ch. 14.1 - What is the relationship between macroevolution...Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Prob. 2MCCh. 14.3 - Distinguish among allopatric, parapatric, and...Ch. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Describe the theories of gradualism and punctuated...Ch. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What is the advantage of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14.6 - Prob. 4MCCh. 14.6 - How is a cladogram constructed?Ch. 14.6 - Prob. 6MCCh. 14.7 - Prob. 1MCCh. 14.7 - Prob. 2MCCh. 14 - The biological species concept defines species...Ch. 14 - Prob. 2MCQCh. 14 - A mountain range separates a population of...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - What type of reproductive barrier applies to each...Ch. 14 - How does natural selection predict a gradualistic...Ch. 14 - Why do species become extinct? Choose a species...Ch. 14 - Which of the groups in figure 1.9 represent...Ch. 14 - On figure 14.20, circle a monophyletic group, a...Ch. 14 - Prob. 1PITCh. 14 - Add fertilization and offspring to this concept...Ch. 14 - Draw pictures of allopatric, parapatric, and...Ch. 14 - Prob. 4PIT
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- Create a Venn Diagram comparing and contrasting rapid and gradual mass extinction (make sure to include examples of each)arrow_forwardWhich of the mass extinctions was the largest? What percentage of life went extinct during that time?arrow_forwardIf a sixth extinction event is occurring, how is it similar or different from the previous five mass extinctions? What sort of evidence do you think scientists look for to determine whether we are living through a mass extinction?arrow_forward
- HOW MANY YEARS AGO DID THE MOST RECENT EPOCH BEGIN? HOW MANY MASS EXTINCTION EVENTS HAS EARTH WITNESSED SO FAR?arrow_forwardIllustrate the relationship between major geologic change, extinctions, and evolutionary trends.arrow_forwardAccording to Figure 2 above, how many extinction events contributed to the end-Ordovician mass extinction and when did they occur?arrow_forward
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