Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 20.3, Problem 1BC
Summary Introduction
To analyze:
The role of the diversifying selection of honeycreepers on the Hawaiian Islands should be identified.
Introduction:
Diversifying selection is the pattern of natural selection that selects two different
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Students have asked these similar questions
Look at picture attached
A) What does the phylogeny suggest about the evolutionary process that led to the trait differences by habitat?
a. convergent evolution
b. adaptive radiation
c. phenotypic plasticity
B) Choose different functional forms from two of the habitats shown in the collage and describe how one or more differences in form may represent an adaptation to their different environment. Example: compare plant form for lobeliads in montane bog to cloud forest understory
What may be some reasons why the importance values for each species are different?
For the image attached did the moth population evolve? Explain. Is it micro or macroevolution?
Chapter 20 Solutions
Principles of Biology
Ch. 20.1 - Prob. 1CCCh. 20.1 - Prob. 1TYKCh. 20.1 - Prob. 2TYKCh. 20.2 - Prob. 1BCCh. 20.2 - Is this an example of a prezygotic or a...Ch. 20.2 - Is this an example of a prezygotic or a...Ch. 20.2 - Prob. 1TYKCh. 20.2 - Which of the following is not an example of a...Ch. 20.3 - Prob. 1BCCh. 20.3 - Prob. 1CC
Ch. 20.3 - Which of the following is an example of allopatric...Ch. 20.3 - Prob. 2TYKCh. 20.4 - Prob. 1CCCh. 20.4 - Prob. 2CCCh. 20.4 - Prob. 1TYKCh. 20 - Macroevolution refers to evolutionary changes that...Ch. 20 - Prob. 2TYCh. 20 - Prob. 3TYCh. 20 - Prob. 4TYCh. 20 - Prob. 5TYCh. 20 - Prob. 6TYCh. 20 - Prob. 7TYCh. 20 - Prob. 8TYCh. 20 - Prob. 9TYCh. 20 - Evolutionary changes in the rate or timing of...Ch. 20 - Prob. 1CCQCh. 20 - Compare and contrast different mechanisms of...Ch. 20 - A principle of biology is that populations of...Ch. 20 - Prob. 1CBQCh. 20 - Discuss the type of speciation (allopatric or...
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- Which condition is the basis for a species to be reproductively isolated from other members? a. It does not share its habitat with related species. b. It does not exist out of a single habitat. c. It does not exchange genetic information with other species. d. It does not undergo evolutionary changes for a significant period of time.arrow_forwardHow does the soapberry bug differ in Central Florida from the ones found in South Florida? What do you think caused these changes? Why? Is there an agent for selection?arrow_forwardWhat are two ways the wildebeest were indirectly affected by humans in the Serengeti ?arrow_forward
- What type of geographic barriers could have led to the speciation of finch in the Galápagos Islands?arrow_forwardWhy evolve bipedalism? What are some of the selective pressures/benefits?arrow_forwardAccording to this phylogenetic tree, Callitris sulcata is sister to Select one: a. Callitris neocaledonica b. Neocallitropsis pancheri c. Callitris macleayana see picture belowarrow_forward
- Which of the following terms best describes the biological scenario where species that look similar in allopatry look different in sympatry? a. Character displacement b. Tempo c. Fusion d. Post-zygotic barriersarrow_forwardConsider a population of toads living in a canyon here in San Diego. Identify a physical barrier that might emerge to separate these toads into 2 separate groups . Then, explain HOW these groups may diverge into separate species over time through allopatry.arrow_forwardIn two to three paragraph, why climate change is crucial to the survival of sea turtle?arrow_forward
- Explain how conservation genetics is used to understand problems faced by speciessuchas the Florida panther. Provide data,arrow_forwardIdentify a species that your group thinks is ok to drive to extinction and justify the reasons for this decision. Can you anticipate any consequences of losing this species from the Earth?arrow_forwardWhat is Sympatric speciation? A) When a population is separated from the main group by a barrier and becomes a new species B) When a population mutates into a new species C) When a population develops into a new species without any physical barriers to isolate themarrow_forward
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