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APES 2.4 - 2.7 Questions and Answers
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APES 2.4 - 2.7 Questions and Answers The graphs above show the population size and distribution of beak sizes in a finch population on the island of Daphne Major in the Galapagos in 1976 and 1978. Smaller-beaked finches are better suited for eating grasses and small seeds. Larger-beaked finches ar...

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  • December 1, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • apes 24 27 questions and answers
  • which tree species grows best with full sunlight
  • the graphs above show the population size and dist

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APES 2.4 - 2.7 Questions and Answers
Which of the following best identifies the author's claim?
A
Aardvarks are shifting the location of their territories as a response to global climate
change.
B
Aardvarks are a keystone species and their decline could have a trophic cascade effect
on the ecosystem.
C
The loss of aardvarks described in the study was an isolated incident because most
aardvark populations are increasing globally.
D
Providing aardvarks with more burrows will help them maintain their body temperature
and increase survival rates. - answer B
Aardvarks are a keystone species and their decline could have a trophic cascade effect
on the ecosystem.

Living organisms must acquire energy from their environment. Examples of adaptations
that help organisms acquire this energy include which of the following?

The dark, heat-absorbing coloration of a reptile.
The fangs and claws of a lion
The light coloration of a peppered moth
A
I only
B
II only
C
I and II only
D
II and III only
E
I, II, and III - answer C
I and II only

Which of the following was the average beak size of finches on the island of Daphne
Major in 1976?
A
8.8 mm
B
9.5 mm
C
10.2 mm

, D
13.8 mm - answer B
9.5 mm

Which of the following statements best explains the changes in the size and
composition of the population of finches after the drought?
A
The total number of finches in the population increased, and the smaller-beaked finches
were more successful in the drier environment.
B
The total number of finches in the population increased, and the larger-beaked finches
were more successful in the drier environment.
C
The total number of finches in the population decreased, and the smaller-beaked
finches were more successful in the drier environment.
D
The total number of finches in the population decreased, and the larger-beaked finches
were more successful in the drier environment. - answer D
The total number of finches in the population decreased, and the larger-beaked finches
were more successful in the drier environment.

The graphs above show the population size and distribution of beak sizes in a finch
population on the island of Daphne Major in the Galapagos in 1976 and 1978. Smaller-
beaked finches are better suited for eating grasses and small seeds. Larger-beaked
finches are better suited for cracking larger seeds and nuts. In 1977 a drought took
place and the vegetation of the island was affected by the lack of rain.

Which of the following was the number of finches in the population with a beak size of
10.2 mm in 1978?
A
8
B
12
C
40
D
65 - answer B
12

Lincoln, A. E., J. A. Shaffer, and T. P. Quinn. 2018. Opportunistic use of estuarine
habitat by juvenile Bull Trout, Salvelinus confluentus, from the Elwha River before,
during, and after dam removal. Environmental Biology of Fishes 101:1559-1569
Which of the following best identifies the author's claim?
A
Bull trout experienced high mortality rates as a result of the formation of the estuary and
sediments released during dam deconstruction.

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