Things that can happen when light moves from one material, like air, to another, like water

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.