Answer:
c. is a biotic factor within an ecosystem
Water then moves from cell to cell through the root cortex by osmosisalong a concentration gradient; this means that each cell is hypertonic to the one before it. In the centre of the root the water enters the xylem vessels. Water may move by diffusionthrough the cell walls and intercellular spaces.
Answer:
o, o+, b+
Explanation:
their genotype is either AA or AO or BB or BO
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Answer:
Mitosis is the process of cell division to make more cells, meiosis is the process of sperm and egg cells dividing to make a baby.
Explanation:
The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
