if you had to choose between the phrase “natural selection gives organisms what they need” vs. “natural selection chooses traits that are most successful”, which one would you choose? defend your answer.

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Which layer will become saturated first when rain falls?