Feeding levels within ecosystems are also called______. An illustration of these levels with only oneorganism at each level is called a(n)_______ . Feeding relationships are most accurately depicted as_________ .
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Feeding levels within ecosystems are also called______. An illustration of these levels with only oneorganism at each level is called a(n)_______ . Feeding relationships are most accurately depicted as_________ . |
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- Which trophic level in an aquatic ecosystem would contain the greatest amount of usable energy? Primary consumers located 150 meters below sea level. Primary producers located 80 meters below sea level. Primary producers located 45 meters below sea level. Primary consumers located 40 meters below sea level.If you had to monitor an ecosystem for evidence of pollution, what are one or two indicator species you would want to pay particularly close attention to? You may discuss specific species of organisms, or can discuss organisms that occupy a specific trophic level in an ecosystem’s food web. Explain why you would select these species or this trophic level.Explain the effects on the ecosystem if Wood rat were removed. Provide both positive (if any) and negative impacts on the ecosystem. Be sure and include as many of the following terms in your writing as possible: autotroph, heterotroph, producer, primary consumer, secondary consumer, tertiary consumer, carnivore, omnivore, herbivore, energy, population, increase, and decrease.
- With reference to a self- constructed food web, outline the series of interactive mechanisms that make marine ecosystem self- sustaining and an open systemA feeding relationship that proceeds from algae to a fish, then to a fisherman, and then to a shark is _____. a. a food chain b. a food web c. a and bMap the Ecological balance of a food web with a symbiotic relationship of Predation (Prey & Predator relationship), which is composed of Decomposers, Producers, Primary Consumers, Secondary Consumers & Tertiary Consumers. Note: Food web is composed of interconnecting food chains.
- A niche is loosely defined as an organism's role in its environment, which can include factors such as feeding preference, nesting behaviors, mating behaviors, method of obtaining prey, and local habitats. Keeping Gause's law in mind, do some research on the California red-legged frog and the North Pacific tree frog (use wiki or another Google search). Create a chart comparing the two with respect to their niche or lifestyle that can explain how these two frogs can co-exist in the same ecosystem.Which of the following ultimately feeds at every trophic level? Producer Primary consumer Secondary consumer Tertiary consumer Decomposers/DetritivoresWhich are the organisms in one of the food chains in this food web? Who is the producer in the food chain you circled? explain why the hawk in this food web is a trophic omnivore even though it does not eat both plants and animals.
- In a food web, the numbers of each organism typically exist in a relatively stable proportion. If an oilspill killed a large amount of zooplankton, what would be the next thing that would happen?A The number of tiger sharks would decrease.B The number of phytoplankton would increase.C The number of clams, mackerels, and jellyfish would decrease.D The number of herring, whelk, squids, and loggerhead turtles would increase.Classify the species in this ecosystem and draw a food web of the following species (in the image) 1. The primary producers 2. The primary consumers 3. The secondary consumers 4. The tertiary consumersTwo species of sea urchins live practically side by side on sandy bottoms. The two species appear to have the same diet: drift seaweedsand other bits of organic matter. They are able to live in the sameenvironment with minimal competition. How might they be able toshare their habitat and food resources?