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Consider ecological efficiency and energetic hypothesis, why are there few lions than wildebeest in africa ?
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- Why are there so few lions compared to wildebeest in africa? Explain this in terms of ecological efficiency and energetic hypothesisVISUALIZE Draw a diagram tracing energy flow through a food web such as one found in a deciduous forest.Consider: How is energy moved through an ecosystem? What about matter (nutrients)? Construct an argument to explain whether the sibling is correct or not and explain why While having dinner, your little sister says she learned about energy and matter at school today and that the the food you are eating and the energy you receive from it has been consumed and used previously. Your family is surprised by this and since you are the older sibling, they have asked you to explain whether your little sister is correct or not.
- Using the concepts of trophic levels and energy flow, explain why the ecological footprint of a vegetarian person is smaller than that of a meat-eaterSketch a graph that represents the relationship between weight-specific metabolic rate and locomotion speed in salmon, a dog, and an Australian parakeet (budgerigar). Comment on the similarities and differences of the different species as they increase their locomotion speed from rest to its maximum species-dependent value.Which of the following scenarios may demonstrate an organism selecting a resource non-randomly? (Hint: think about the availability versus use of each type of resource .) a. )A tide pool contains twice as many red urchins as purple urchins. Otters eat twice as many red urchins as purple urchins . B. ) In a desert with equal numbers of creosote and saltbush, ants gather only creosote seeds. C. ) In a desert of only creosote bushes, ants gather creosote seeds. D. ) A tide pool contains twice as many purple urchins as red urchins. Otters eat twice as many red urchins as purple urchins.
- Ecology. As a wildlife biologist, you are responsible for managing white-tailed deer in Ohio. Why would you be interested in knowing the relative importance of density independent and density dependence factors for the deer?Suppose you spot two species of birds feeding side by side, eating seeds from the same plant. You begin to wonder whether competition is at work. Describe how you might design scientific research to address this question. What observations would you try to make at the outset? Would you try to manipulate the system to test your hypothesis that the two birds are competing? If so, how?Compare the flow of energy with the flow of nutrients in a closed, sunny ecosystem consisting of a giraffe and a tree.
- Carrying capacity is the maximum number of animals an environment can support. Looking atyour graph, what do you think the carrying capacity for deer might have been? Why?Think about the amount of energy at each trophic level. Would you expect to see a food chain with 10 levels in a normal ecosystem?Which of the following might you expect if you increase the amount of energy (and nutrients) into an ecosystem? Group of answer choices increase rates of competition among species increase the consumption of fossil fuels increase the number of trophic levels decrease the standing crop