Fish feel pain just as must as pain you have pain
Three scientists are credited with the development of cell theory. Matthias Schleiden observed that all plants were made of cells; Theodor Schwann observed that all animals were also made of cells; and Rudolf Virchow observed that cells only come from other cells.
If the materials are sugars and gases, this process is diffusion. Water only moves through a cell membrane by osmosis.
Answer:
to attract a peahen
Explanation:
This bird spreads it's feathers to attract mates. These birds love the display of male peafowl as much as we do.
Osteoblasts are the cells in the bone tissue that are responsible to form bone tissue itself. This is the process that allows bones to grow. To counteract this process, osteoclasts, another type of cell from the bone tissue, have the role to break down bone tissue by molecular processes - enzymatic and chemical.
