Answer:
Because mitosis is a cell multiplication
Explanation:
Mitosis is a cellular process that generates from a single cell, two identical cells in size and ploidia. Mitosis is a process of cell mutiplication that allows to transform the unicellular zygote into a multicellular organism; also allows the replacement of damaged or old cells for new cells in the different tissues.
Answer:cells are the basic unit of life!
Explanation:
Magnetic reversals C. PROVIDE STRONG EVIDENCE FOR SEAFLOOR SPREADING.
Magnetic reversal is evident when the <span>change in the Earth's magnetic </span><span>field results in the magnetic </span><span>north being aligned with the geographic south, and the magnetic </span><span>south being aligned with the geographic north. It is also called geomagnetic reversal</span><span>.</span>
Magnetic reversals can occur in less than 100 years. It led to extinction events during the pre-historic times. Because the magnetic field is rapidly weakening, magnetic reversal may cause biblical floods.
Answer:
Cost: competition for mates, competition for resources
Benefit: better protection from predators (ex. a fish in a school of fish has greater chances of not getting eaten because of the large number of other fish)