Which of the following is a scientific question? A. should commercial fisheries be regulated to protect dolphin habitats.
B. do dolphins emit characteristic whistles in response to their offspring.
C. Are dolphins more interesting than whales.
D. why don't people eat more dolphin meat.

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

Environmental impacts on evolution : mastery test