What information do fossils provide about the history of organisms on earth? a. organisms have stayed exactly the same since the earth was formed. b. fossils do not provide any information about the history of organisms on earth. c. organisms on earth have evolved and changed significantly over time. d. organisms on earth have not evolved or changed during the last 200 years.

How had the study of mitosis affected scientists knowledge of cancer

Which of the following would be an important part of a multi-step plan to restore the stability of the red-cockaded woodpecker's ecosystem?

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.