Which of the following is the best example of potential energy?

a ball sitting at the bottom of a hill

a ball sitting at the top of a hill

a ball rolling down a hill

A student observes a leaf epidermis under a microscope. it has many stomata but they all appear closed. this epidermis was most likely from:

What of the following are arthropods able to do after molting? a. ecdysis b. reproduce c. grow d. breathe

Which reason is NOT a valid one for using collaboration in the scientific process?

Which items are kingdoms? Check all that apply. Plantae Archaebacteria Animalia Eukarya Eubacteria Protista Fungi Bacteria

What part of the brain accounts for most of its mass?

Which is the of the phospholipid bilateral of the cell membrane

g Normal color vision in the human is due to a dominant gene, C, and is x-linked. The recessive form of the gene, c, causes the individual to be red-green color blind. A color blind woman marries a man with normal color vision.

Plasma from a sick mouse is filtered across a membrane that has a 200 nm pore size. If the filtrate is still infectious when injected into a healthy mouse, then the pathogen is most likely a (n): -parasitic worm -fungus -virus -bacterium -archaean

Which factor is a population-limiting, density-dependent factor? select one: a. the rapid spread of tuberculosis in heavily populated areas b. a drought that limits food availability c. a heavy flood that destroys a large area around a river d.

What term is defined as the ability to do work?