Because so much of the food now a days is very unhealthy and lacks the fiber it should contain.<span />
The oxygen that goes through alveoli and diffuses into blood capillaries. The oxygenated blood goes though aorta and is pumped by the heart and goes out through the vena cava to be distributed to the whole body. the deoxygenated blood comes back to the heart from the body and is pumped back towards the lungs. the carbon dioxide diffuses out of the blood capillaries and goes out of the body.
Answer:
The organism is biotic because it has cells.
Explanation:
Answer:
A food web (<em>or</em><em> </em><em>foo</em><em>d</em><em> </em><em>cycle</em>) is the natural interconnection of food chains and a graphical representation(<em>usually</em><em> </em><em>a</em><em>n</em><em> </em><em>image</em>) of what-eats-what in an ecological community.Another name for food web is consumer- resource system.
