In this experiment, Balanus was removed from the habitat shown on the left. Which of the following statements is a valid conclusion of this experiment? Select one: О а. Balanus is inferior to Chthamalus in competing for space on rocks lower in the intertidal zone. Ob. The removal of Balanus shows that competitive exclusion prevented Chthamalus from occupying the lower tide region of its fundamental niche. c. When the two species of barnacles compete with each other, both species still occupy low and high tide areas. O d. Balanus can survive only in the lower intertidal zone because it is unable to resist desiccation.
In this experiment, Balanus was removed from the habitat shown on the left. Which of the following statements is a valid conclusion of this experiment? Select one: О а. Balanus is inferior to Chthamalus in competing for space on rocks lower in the intertidal zone. Ob. The removal of Balanus shows that competitive exclusion prevented Chthamalus from occupying the lower tide region of its fundamental niche. c. When the two species of barnacles compete with each other, both species still occupy low and high tide areas. O d. Balanus can survive only in the lower intertidal zone because it is unable to resist desiccation.
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:Clipbird Island was separated into east and west islands when ocean levels
rose, dividing a population of Clipbirds which inhabited the island. For many
years, the abundance of large, medium and small food sources and climate
remained similar between the islands, however, overtime a strange climatic
shift resulted in a reduction in the abundance of larger food sources on
West Clipbird Island.
The trait of beak size in clipbirds shows incomplete dominance, and.
heterozygous individuals (Aa) have a beak size intermediate in size to large
beak homozygous individuals (AA) and small beak homozygous individuals
(aa). Before the climatic shift the allele frequencies of both A and a were
0.5. Several years after the climatic shift a survey of beak sizes was
conducted on both islands with the following results:
Number of individuals with each
beak size on East and West Clipbird
Island after climatic shift impacted
West Ship Island.
Beak Size
East Clipbird Island
West Clipbird Island
Transcribed Image Text:In this experiment, Balanus was removed from the habitat shown on the left.
Which of the following statements is a valid conclusion of this experiment?
Select one:
O a.
Balanus is inferior to Chthamalus in competing for space on rocks
lower in the intertidal zone.
O b.
The removal of Balanus shows that competitive exclusion prevented
Chthamalus from occupying the lower tide region of its fundamental
niche.
When the two species of barnacles compete with each other, both
O c.
species still occupy low and high tide areas.
O d.
Balanus can survive only in the lower intertidal zone because it is
unable to resist desiccation.
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