Community ecologists study the factors that determine the abundance of different species. The abundance of three algae species (in mg/mL) is quantified in two different lakes before and after an unusually hot summer. The coordinates of these four samples in R3 are Lake A: (92, 65, 40) and (95, respectively, and Lake B: (26, 56, 24) and (23, 60, 17) before and after summer, respectively. 47) before and after summer, (a) How does the magnitude of the change in algal community compare between the two lakes? O The magnitude of the change in algae species is greater for Lake A than B. O The magnitude of the change in algae species is greater for Lake B than A. O The magnitude of the change in algae species is the same for Lake A and B. (b) How does the direction of the change in algal community compare between the two lakes? O The direction of the change in algal community in Lake A is opposite that of Lake B. O The direction of the change in algal community in Lake A is the same as that of Lake B.

Advanced Engineering Mathematics
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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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Community ecologists study the factors that determine the abundance of different species. The abundance of three algae species (in mg/mL) is quantified in two different
lakes before and after an unusually hot summer. The coordinates of these four samples in R3 are Lake A: (92, 65, 40) and (95, 61, 47) before and after summer,
respectively, and Lake B: (26, 56, 24) and (23, 60, 17) before and after summer, respectively.
(a) How does the magnitude of the change in algal community compare between the two lakes?
The magnitude of the change in algae species is greater for Lake A than B.
The magnitude of the change in algae species is greater for Lake B than A.
The magnitude of the change in algae species is the same for Lake A and B.
(b) How does the direction of the change in algal community compare between the two lakes?
O The direction of the change in algal community in Lake A is opposite that of Lake B.
The direction of the change in algal community in Lake A is the same as that of Lake B.
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Transcribed Image Text:Community ecologists study the factors that determine the abundance of different species. The abundance of three algae species (in mg/mL) is quantified in two different lakes before and after an unusually hot summer. The coordinates of these four samples in R3 are Lake A: (92, 65, 40) and (95, 61, 47) before and after summer, respectively, and Lake B: (26, 56, 24) and (23, 60, 17) before and after summer, respectively. (a) How does the magnitude of the change in algal community compare between the two lakes? The magnitude of the change in algae species is greater for Lake A than B. The magnitude of the change in algae species is greater for Lake B than A. The magnitude of the change in algae species is the same for Lake A and B. (b) How does the direction of the change in algal community compare between the two lakes? O The direction of the change in algal community in Lake A is opposite that of Lake B. The direction of the change in algal community in Lake A is the same as that of Lake B. Need Help? Read It
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