What is a biome? view available hint(s) what is a biome? a specific set of abiotic factors a major type of ecosystem a set of similar communities a major type of biosphere an area with a uniform distribution of organisms and abiotic environmental conditions?

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

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.