Match the terms to their definition. 1. consumer
a series of steps that illustrates the flow of energy from one organism to the next
2. decomposer
an organism that breaks down dead matter into chemical nutrients
3. food chain
an organism that eats food made by another organism
4. matter
the breaking down and wearing away of the earth's surface
5. weathering
anything which has mass and occupies space

What are some natural processes that represent physical and chemical changes?

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.

Identify the area on the image where the force of attraction is the strongest.