food web is different from an ecosystem

Read and summarize the article on a River Food Web ( use 5 sentences minimum). https://www.fs.fed.us/pnw/sciencef/scifi206.pdf

Create a 4 species food chain using arrows to show the direction of energy flow.

What do you think happens to this plastic? List a few examples of plastic impacting ocean ecosystems and provide links to your sources. answer

Choose 3 Biomes. Explain how human activity has contributed to its disturbance.

Name the trophic levels in an ecosystem and explain how energy moves through the trophic levels. Can you use the words food chain and food web in the discussion.

Give typing answer with explanation and conclusion Which of the following would NOT be considered an ecosystem service? A. Microbes in swamps decontaminate water B. Bats and pangolins are reservoirs for COVID-19 C. Wild Hazelnut trees have genetic diversity which is not found on farms, and which can be incorporated into the cultivated population to improve disease resistance when needed D. D. Spending time in nature benefits people suffering from depression

Match the name of the biome with its description. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.   a.  appear about halfway from the equator to the poles, most of this area is farmed, at least in the U.S. b .found to the north and south of the tropical rain forest, has long dry season c. abundant rain fall and high heat support lush plant life d.vast forests, mostly of conifers, in the far north of Canada, Russia, Alaska and Scandinavia e. the trees seasonally shed their leaves   1. temperate grasslands   2. tropical savanna     3. temperate deciduous forest   4.  taiga   5. tropical rain forest

Which of the following biologists was the first to describe food webs? a. Tillmanb. Hutchinsonc. Lindemand. Odum29

Use the information and model to answer the following question. This model describes energy movement in an ecosystem. image What should be placed in box 5 to BEST complete the model? A. Autotrophs, because all food webs begin with autotrophs obtaining solar energy from the sun. B. Autotrophs, because all food webs in an ecosystem begin with autotrophs. C. Decomposers, because they are at the top of the food web and receive the most energy. D. Decomposers, because they break down organisms from all trophic levels to obtain energy.