Which of the following aspects of water quality is related to changes in weather patterns and circulation of water in the oceans? Acidification

Salinity and temperature

Agricultural runoff

Heavy metals in water

Organisms that successfully adapt will leave to grownone of the above

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.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.