Which of the following is a scientific observation about the snake pictured
below?
Florida cottonmouth
O
A. Cottonmouths are among the most beautiful snakes in the United
States.
O
B. Cottonmouths are particularly scary.
O
C. Adult cottonmouths strike when they are angry.
O
D. Adult cottonmouths are brown.

The transport tubes for food coming down the plants are called?

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

Where is the nictitating membrane found? a. between the eyelid and the eyeball b. between the retina and the optic nerve c. between the outer and middle ear d. in the organ of corti in the middle ear