Q12a The food web in Figure 7.7 depicts a four level system. From your understan
ID: 200453 • Letter: Q
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Q12a The food web in Figure 7.7 depicts a four level system. From your understanding of the effects of predators on prey, which of the fishes would you remove if you wanted to increase the survival of the population of single-celled plants? Explain your reasoning. Your answer Q12b How could you test your prediction? Your answer Kelp are large marine algae that often form underwater "forests." These kelp forests are complex multilayered habitats that serve as home to a wide variety of marine invertebrates (animals without backbones) and vertebrates (animals with backbones). They are especially important to the survival of many populations of fishes. When a kelp forest has been removed, the resulting empty habitat is called an urchin barren.Explanation / Answer
12) a) I would like to remove the tiny aquatic herbivores, because removing either of its predators would allow it to survive and that will negatively affect the plants.
b) At first, take two habitats. Then remove tiny aquatic herbivores from one, and keep the other as a control. Observe the survival of single-celled plants.
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