Movement of particles from a region of a high concentration to a region of low concentration
Answer:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
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A gene is a hereditary trait in your body and also apart of your DNA not visible to the naked eye making up how you look
Because natural selection is caused so that an organism can adapt and better survive their environment. They are involved in the formation of fossils because organisms that die are buried in sediment and become fossils.
