Need asap for life or death has anyone from connections taken the ap biology mid-semester i need answers fast! i have a f and need to pass this check in order to compete in my horseshow this !

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants. d. selecting individuals at random.

How do the sperm cells get from the stigma to the ovules?