Answer:
The widest part of the body is below the middle. The body of a paramecium is asymmetrical. It has a well-defined ventral or oral surface and has a convex aboral or dorsal body surface. Its whole body is covered with a flexible, thin and firm membrane called pellicles.
Explanation:
Answer: They move against the concentration gradient
Explanation: This is because, with active transport, the molecules go from a low concentration to a high concentration.
Because it’s more likely that chance events will significantly change the frequencies of alleles in the population
Color I believe because if a diamond was the same color as coal(black) you couldn’t tell a difference
