Download Species homework prehw.speciaton_text_assignment

SPECIATION ASSIGNMENT
Read chapter 16-3 in textbook (starts on page 404)
Answer the following questions in complete sentences in your journal.
1.
2.
3.
4.
5.
6.
Define the following terms (from the first 2 paragraphs or from glossary):
a. Species
b. Speciation
Explain what it means if 2 populations are ‘reproductively isolated.’
Describe and give an example of the 3 isolating mechanisms:
a. Behavioral isolation
b. Geographic isolation
c. Temporal isolation
Apply the 5 points of natural selection to the evolution of the large beak size of the large beak ground finch
pictured in chart on page 406. How/why did the finches evolve larger beaks? Include all 5 points!
Summarize the research of Peter and Rosemary Grant.
As stated on page 408, speciation in Galapagos finches occurred by founding of a new population, geographic
isolation, changes in the new population’s gene pool, reproductive isolation, and ecological competition. Write a
1 sentence summary detailing each factor’s contribution to the process of speciation (thus you should have 5
sentences total!)
SPECIATION ASSIGNMENT
Read chapter 16-3 in textbook (starts on page 404)
Answer the following questions in complete sentences in your journal.
1.
2.
3.
4.
5.
6.
Define the following terms (from the first 2 paragraphs or from glossary):
a. Species
b. Speciation
Explain what it means if 2 populations are ‘reproductively isolated.’
Describe and give an example of the 3 isolating mechanisms:
a. Behavioral isolation
b. Geographic isolation
c. Temporal isolation
Apply the 5 points of natural selection to the evolution of the large beak size of the large beak ground finch
pictured in chart on page 406. How/why did the finches evolve larger beaks? Include all 5 points!
Summarize the research of Peter and Rosemary Grant.
As stated on page 408, speciation in Galapagos finches occurred by founding of a new population, geographic
isolation, changes in the new population’s gene pool, reproductive isolation, and ecological competition. Write a
1 sentence summary detailing each factor’s contribution to the process of speciation (thus you should have 5
sentences total!)
SPECIATION ASSIGNMENT
Read chapter 16-3 in textbook (starts on page 404)
Answer the following questions in complete sentences in your journal.
1.
2.
3.
4.
5.
Define the following terms (from the first 2 paragraphs or from glossary):
a. Species
b. Speciation
Explain what it means if 2 populations are ‘reproductively isolated.’
Describe and give an example of the 3 isolating mechanisms:
a. Behavioral isolation
b. Geographic isolation
c. Temporal isolation
Apply the 5 points of natural selection to the evolution of the large beak size of the large beak ground finch
pictured in chart on page 406. How/why did the finches evolve larger beaks? Include all 5 points!
Summarize the research of Peter and Rosemary Grant.
6. As stated on page 408, speciation in Galapagos finches occurred by founding of a new population, geographic
isolation, changes in the new population’s gene pool, reproductive isolation, and ecological competition. Write a
1 sentence summary detailing each factor’s contribution to the process of speciation (thus you should have 5
sentences total!)