Which description applies to a vestigial structure or trait?

Which will most likely result if there is increased upwelling in a coastal area? A. more aquatic life B. less nutrients in the water C. higher water temperatures D. fewer nitrates

The respiratory zone is the only site of gas exchange within the lungs. the respiratory zone is the only site of gas exchange within the lungs. a. True b. False

What is an urban heat island?

Is it mitosis or meiosis that produces genetically identical cells

So is it primary or secondary succession??

The part of the brain where planning, language and advanced thought occur is:the hippocampus. the amygdala. the cortex. the hypothalamus.

Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model? Ball-and-stick models can show compounds in three dimensions, but space-filling models cannot.

Which of the following are not allowed on public land?

Prokaryotes that belong to the kingdom Eubacteria and carry out photosynthesis are called

Which law states that each planet revolves so that an imaginary line connecting it to the sun sweeps over equal areas in equal time intervals?