To familiarize yourself with the experimental lake, you will conduct an experiment to determine which species of zooplankton is the best competitor in the absence of predators. [ 1.1 ] Based on your results so far, which species do you predict is the better competitor? Why?
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Step 1: Review the data collected from the experimental lake regarding the growth rates, population densities, and resource utilization of the different zooplankton species in the absence of predators. Show more…
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Q6. The graphs below illustrate population sizes in an artificial lake before and after a top predator (a minnow that eats zooplankton) was added. Which explanation below is consistent with the patterns shown in the graphs? BEFORE (no minnows) AFTER (with minnows) Zooplankton 2 Zooplankton 2 Zooplankton 1 Zooplankton 1 Algae 2 Algae 2 Algae 1 Algae 1 0 50 100 150 Population Size 200 250 0 50 100 150 Population Size 200 250 The predator preys preferentially on zooplankton 1, which outcompetes zooplankton 2 in the absence of predators The predator feeds equally on both zooplankton without preference. Zooplankton 1 outcompetes zooplankton 2 in the absence of predators. The predator preys preferentially on zooplankton 1, which feeds preferentially on algae 1. The predator preys preferentially on zooplankton 2, which feeds preferentially on algae 2.
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Among the phytoplankton did one species utilize resources better than any others? If so which one used resources better? Explain Among the zooplankton did one species have a competitive advantage? If so which species was more competitive? Explain.
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