The marine biome a. is a large ecosystem, but not larger than some terrestrial ecosystems b. is characterized by four different zones c. has little species diversity d. covers a small portion of the earth’s surface select the best answer from the choices provided

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

The image shows a stream with two bends. identify the locations on the image where erosion and deposition occurs, as well as where the water flow is the fastest and slowest.

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