Answer:
A. The use of only the most productive breeds improves genetic diversity.
Survival of the fittest (which means those who have better adaptions for there environment will survive and spread on their genes while the lass well adapted ones will die off)
Answer:
It is called the Blade
Explanation:
The blade is the broad part of a leaf that holds the green food making cells.
Answer:
External means on the outside, so it can be something like their fur color. Some other features can be number of legs, if they have wings or not, etc.
Answer:
Most macromolecules are made from single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.
