Osmosis is a process where molecules of a solvent travel through a membrane from a less concentrated solution to a more concentrated one.
Answer:
Different ecosystems have different levels of consumers, all end with one top consumer. Most energy is stored in plants and oxygen, and as the consumers eat these plants they take up a small amount of energy. This energy in the herbivores and omnivores is then consumed by carnivores.
A fossil is the remains of an ancient organism.
B malignant is the correct answer