The energy-rich compound needed by organism is : Carbohydrates
Carbohydrates consist of the combination of the existing Carbon, Hydrogen, and Oxygen alone.
For human, The source of carbohydrates could be found in almost every food, but the huge amount could be found in rice, potato, corn, cassava, oatmeal, etc
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Answer:
It is better to compare the average height gain of control and experimental groups of plants to eliminate all other variables.
Explanation:
If you evaluate individual plants, the data may vary. The experimental group is the one where an experimental procedure is performed while the control group does not receive any treatment.
hello there,
Most effector the organs receive dual innervation, but some (e.g., adrenal medulla, sweat glands, the pilomotor muscles, and many blood vessels) are innervated by only the sympathetic nervous system.this, the stimulation of either the sympathetic or the side parasympathetic innervation results in salivary secretion.
i hope this helps you out
