Inhaling requires one to enlarge the thoracic cavity by the diaphragm.

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

What part of the brain is highlighted in the diagram below?

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.