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colonized a bare patch on the rocks (Figure 21.22). What can be concluded regarding the growth of these two species? 100- 90- 80- Calilomia mussel 70- 60- blue mussel 50- 40- 30- 20- 10 0- 12 24 20 patch age (months) 18 28 32 36 40 Nov. 1975 Figure 21.22 Growth rates of two mussels in a bare rock patch in the low intertidal zone. Data points represent shell lengths of the ten largest individuals found in the patch on each sampling date. Dashed lines to the x- axis indicate estimated times of settlement and initial growth in the patch. Arrows on the growth curves indicate the smallest size at which each species may reach sexual maturity. shell length (a1 SE)

colonized a bare patch on the rocks (Figure 21.22). What can be concluded regarding the growth of these two species? 100- 90- 80- Calilomia mussel 70- 60- blue mussel 50- 40- 30- 20- 10 0- 12 24 20 patch age (months) 18 28 32 36 40 Nov. 1975 Figure 21.22 Growth rates of two mussels in a bare rock patch in the low intertidal zone. Data points represent shell lengths of the ten largest individuals found in the patch on each sampling date. Dashed lines to the x- axis indicate estimated times of settlement and initial growth in the patch. Arrows on the growth curves indicate the smallest size at which each species may reach sexual maturity. shell length (a1 SE)

Human Anatomy & Physiology (11th Edition)
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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Suchanek tracked the rate of growth of mussels when the two species had initially colonized a bare patch on the rocks (Figure 21.22). What can be concluded regarding the growth of these two species? 100 90- 80- California mussel 70- 60 blue mussel 50- 40- 30- 20- 10- 4. 12 18 20 24 28 32 36 40 Nov. 1975 patch age (months) Figure 21.22 Growth rates of two mussels in a bare rock patch in the low intertidal zone. Data points represent shell lengths of the ten largest individuals found in the patch on each sampling date. Dashed lines to the x- axis indicate estimated times of settlement and initial growth in the patch. Arrows on the growth curves indicate the smallest size at which each species may reach sexual maturity. The blue mussel appears to reach a maximum shell length, suggesting that they were outcompeted by California mussels. The California mussel colonizes the patch later but within a few months have grown to a larger size than blue mussels. The two species colonize the patch at the same time. The two species grow at the same rate initially, but then diverge. The two species reach sexual maturity at the same age. shell length (a 1 SE)
Transcribed Image Text:Suchanek tracked the rate of growth of mussels when the two species had initially colonized a bare patch on the rocks (Figure 21.22). What can be concluded regarding the growth of these two species? 100 90- 80- California mussel 70- 60 blue mussel 50- 40- 30- 20- 10- 4. 12 18 20 24 28 32 36 40 Nov. 1975 patch age (months) Figure 21.22 Growth rates of two mussels in a bare rock patch in the low intertidal zone. Data points represent shell lengths of the ten largest individuals found in the patch on each sampling date. Dashed lines to the x- axis indicate estimated times of settlement and initial growth in the patch. Arrows on the growth curves indicate the smallest size at which each species may reach sexual maturity. The blue mussel appears to reach a maximum shell length, suggesting that they were outcompeted by California mussels. The California mussel colonizes the patch later but within a few months have grown to a larger size than blue mussels. The two species colonize the patch at the same time. The two species grow at the same rate initially, but then diverge. The two species reach sexual maturity at the same age. shell length (a 1 SE)
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The California mussel is a large edible mussel, a marine bivalve mollusk in the family Mytilidae.

The blue mussel, is a medium-sized edible marine bivalve mollusc in the family Mytilidae, the mussels.

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