Stars and planets, i guess.
Wel homeostasis is maintained by sneezing, yawning, blinking, sweating,etc. Im not really sure if this is gonna help you but its better to have some idea then no idea!
<span>Substances can move into and out of cells through the cell membrane. The three main types of movement are diffusion, osmosis and active transport.</span>
Answer:
Three primary factors account for population change, or how much a population is increasing or decreasing. These factors are birth rate, death rate, and migration.
Explanation:
Answer:
Some variation is passed on from parents to offspring, via genes, during reproduction. This is inherited variation. Some variation is the result of differences in the surroundings, or what an individual does. This is called environmental variation
