Pleas HELP Animal cells are bathed in an
isotonic fluid, and plant and
bacteria cells have a cell wall.
What does this protect the cell
membrane from?

A. shrinking
B. bursting
C. stretching

Why do we perceive objects as retaining their brightness under different lighting levels?

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs