1.Artificial eutrophication is caused by? 2.It happens when?

3.What is the greatest cause of artificial eutrophication?

4.Name another cause of artificial eutrophication.

5.What substance causes an algal bloom to form?

6.Why do fish die in a body of water where an algal bloom has formed?

What is a codon and where is it found

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant. it produces food. it absorbs nutrients. it supports the plan

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.