Answer:
As an example of an exaptation, Gould (1991) used the large size of the human brain and its function of enabling humans to produce speech. The large brain size, according to his argument, originally arose as an adaptation for some (unspecified) functions in humans' ancestral past ( Gould, 1991 ).
Explanation:
Answer:
They go hand in hand as a cycle.
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant, and oxygen is a by-product. Cellular respiration converts that glucose and oxygen into water and carbon dioxide, which then go through photosynthesis again.
Answer:
Explanation:
The circulatory system consists of typically two organs these are the heart which also belong to the cardiovascular system and the lungs which also belong to the respiratory system these are connected to the arteries, veins and other blood vessels. The lungs receives the oxygen which diffuse oxygen into the blood vessels which transports the oxygenated blood to the heart which is pumped and circulated by the heart to all the parts of the body.
The answer is Sperm and egg
Answer:
Health care workers who work with blood or other bodily secretions which may carry the HBV virus must receive a free HBV vaccination.