The figure shows three species of beetles (A, B, C) that live on an island together. Which of the following descriptions of the beetle populations is most likely given the data? VARIATION IN POPULATION DENSITY OF BEETLES 40T 35 30 - Species A - Species B Species C 25 20 15 10 5+ 1964 1974 1984 Year 1994 2004 O a. Species A and B are in direct competition with each other O b. Species C is outcompeted by species B by 2004 O c. Species A and C both invaded the island in 1964 O d. Species B is outcompeted by species C by 2004 Population Density (beetles/m)
The figure shows three species of beetles (A, B, C) that live on an island together. Which of the following descriptions of the beetle populations is most likely given the data? VARIATION IN POPULATION DENSITY OF BEETLES 40T 35 30 - Species A - Species B Species C 25 20 15 10 5+ 1964 1974 1984 Year 1994 2004 O a. Species A and B are in direct competition with each other O b. Species C is outcompeted by species B by 2004 O c. Species A and C both invaded the island in 1964 O d. Species B is outcompeted by species C by 2004 Population Density (beetles/m)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:The figure shows three species of beetles (A, B, C) that live on an island together. Which of the following descriptions of the beetle
populations is most likely given the data?
VARIATION IN POPULATION DENSITY OF BEETLES
40
35
30
- Species A
Species B
Species C
15
10
1964 1974
1984
Year
1994
2004
a. Species A and B are in direct competition with each other
O b. Species C is outcompeted by species B by 2004
O c. Species A and C both invaded the island in 1964
O d. Species B is outcompeted by species C by 2004
Population Density

Transcribed Image Text:Two barnacle species, Chthamalus and Balanus, live in intertidal habitat. Two distributions are shown, (A) is shown by dashed lines and (B) is
shown with solid lines. Which of the following statements is correct?
High tide
Chthamalus
Balanus
B.
O a
The distributions shown by the solid lines (B) indicate where Chthamalus and Balanus exist in the absence of competition
O b
The distributions shown by the dashed lines (A) indicates where Chthamalus and Balanus exist in the presence of competition
Balanus has a smaller distribution in the presence of competition because it is a poorer competitor in the high intertidal zone
O d
Chthamalus has a smaller distribution in the presence of competition because it is a poorer competitor in the low intertidal zone
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