Why is the kingdom Protista not valid under evolutionary classification

All plants reproduce several times before dying. a. True b. False

Which of the following is not an advantage of using the metric system

Which of the following is an example of passive transport? A) Diffusion B) Active transport C) moving molecules from low to high concentration

If the ATP synthase for an organism contains 9 C subunits, how many protons must be pumped across the inner mitochondrial membrane per each new ATP that is synthesized by ATP synthase? (Don't forget to consider transport of the reactants.)

Explain why Arctic Ice floats?

Which of the following is likely to be made from a thermoplastic? -a car bumper -a grocery bag -support beams for a building -lawn furniture

Is there any place on Venus humans could live? Explain.

The brain reaches its maximum size between ages 5 and 7. True or false

The seafloor and continental land are similar in age. a) true b) false

Which of these vaccines must replicate to stimulate an immune response? hpv9. mmr. mcv4. tdap?