The eastern grey squirrel lives mostly in oak trees that have a medium gray bark. in some cities, oak tree bark is darkening due to air pollution. this eastern grey squirrel shows melanism, or the increase in black pigment in its fur. what is most likely the reason for the change in fur color? a) with age; this is a very old squirrel. b) squirrels from another region moved into the area. c) it is a way to the grey squirrel attract a mate. d) it is a way to camouflage the squirrel in a changing habitat.

Which of the following is not a potential result of deforestation?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

What are the ingredients of oobleck?