9. Making Inferences If the upper
atmosphere is very thin, why do
space vehicles heat up as they
enter the atmosphere?

Scientific thinking: what clues about biology might road kill provide?

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

What does the positioning of transcription factors determine?