Scientist group organisms into kingdoms by looking at specific characteristics. Which is a characteristic of a carrot plant ?

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

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.