Asexual:
One parent
Identical offspring
Less developed organism
Faster time period to produce
Sexual
Two parents
Unique offspring (genetic variation)
More complex organism
Slower time period to produce
Calcium
Calcium helps build and maintain bones.
I believe <span>Protease enzymes are what are used to break proteins into amino acids.</span>
Number 3 is the plants take in carbon dioxide and release oxygen so that we can breathe and the use the carbon