Suppose a population of 8 wolves has produced 20 young in a year. if 7 wolves have died, how many wolves are in the population now? (assume no wolves have moved into or out of the population for other reasons.)

Depending on the organism the number of in a cell may change

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy