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Using the data from the two experiments, choose the interaction between species in the interaction diagram above. Positive; Direct Positive; Indirect Negative; Direct Negative; Indirect Not Present i. Effect of algae on limpet O O O O ii. Effect of limpet on algae O O O O O iii. Effect of barnacle on limpet O O iv. Effect of barnacle on algae O O O O

Using the data from the two experiments, choose the interaction between species in the interaction diagram above. Positive; Direct Positive; Indirect Negative; Direct Negative; Indirect Not Present i. Effect of algae on limpet O O O O ii. Effect of limpet on algae O O O O O iii. Effect of barnacle on limpet O O iv. Effect of barnacle on algae O O O O

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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Based on the graphs and Using the data from the two experiments, choose the interaction between species in the interaction diagram above.

Using the data from the two experiments, choose the interaction between species in the interaction diagram above. Positive; Direct Positive; Indirect Negative; Direct Negative; Indirect Not Present i. Effect of algae on limpet O O O ii. Effect of limpet on algae O O O iii. Effect of barnacle on limpet O iv. Effect of barnacle on algae O O O
Transcribed Image Text:Using the data from the two experiments, choose the interaction between species in the interaction diagram above. Positive; Direct Positive; Indirect Negative; Direct Negative; Indirect Not Present i. Effect of algae on limpet O O O ii. Effect of limpet on algae O O O iii. Effect of barnacle on limpet O iv. Effect of barnacle on algae O O O
In a first experiment, the researchers created 6cm x 6cm plots with the following treatments: control, and all barnacles removed. They measured macroalgal density over time. Their results are in the attached figure. A. ALGAL DENSITY (inds./10 cm²) 1.6₁ ALGAL DENSITY P (inds./10 cm²) 0.8- O MAY 1983 'M M 1984 1984 S N N J J In a second experiment, they wanted to test two hypotheses about the mechanism of succession: Hypothesis (1) barnacles changed the physical environment of the rocks that directly affected macroalgal settlement or survival or Hypothesis (2) barnacles indirectly affected interactions of algae with other species. If (1) were supported, removing barnacles would have the same effect regardless of the presence of the other species. If (2) were supported, the effect of removing barnacles would depend on the presence or absence of the other species. They cleared 8cm x 8cm plots of all algae with the following treatments: barnacles and limpets present (+L+B), barnacles present and limpets removed (-L+B), barnacles removed with limpets present (+L-B), and both barnacles and limpets removed (-L-B). Their results are in the attached figure. Which Acanthart IMUDELS AND MECHANISMIS UT UV LUVIVI -L+B -L-B +L+B M 'M M M J 1985 1985 S NS * Barnacle Removal 'M' 1986 N Control J M M 1986 -L+B L+B | ** -L+B +L+B -L-B +L-B
Transcribed Image Text:In a first experiment, the researchers created 6cm x 6cm plots with the following treatments: control, and all barnacles removed. They measured macroalgal density over time. Their results are in the attached figure. A. ALGAL DENSITY (inds./10 cm²) 1.6₁ ALGAL DENSITY P (inds./10 cm²) 0.8- O MAY 1983 'M M 1984 1984 S N N J J In a second experiment, they wanted to test two hypotheses about the mechanism of succession: Hypothesis (1) barnacles changed the physical environment of the rocks that directly affected macroalgal settlement or survival or Hypothesis (2) barnacles indirectly affected interactions of algae with other species. If (1) were supported, removing barnacles would have the same effect regardless of the presence of the other species. If (2) were supported, the effect of removing barnacles would depend on the presence or absence of the other species. They cleared 8cm x 8cm plots of all algae with the following treatments: barnacles and limpets present (+L+B), barnacles present and limpets removed (-L+B), barnacles removed with limpets present (+L-B), and both barnacles and limpets removed (-L-B). Their results are in the attached figure. Which Acanthart IMUDELS AND MECHANISMIS UT UV LUVIVI -L+B -L-B +L+B M 'M M M J 1985 1985 S NS * Barnacle Removal 'M' 1986 N Control J M M 1986 -L+B L+B | ** -L+B +L+B -L-B +L-B
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