Meiosis. Sexual recombination. Crossing over. Independent assortment. Mutations.
The two MAIN sources would be genetic(sexual) recombination and mutations. Mutations allow for genetic variation, while genetic recombination allows for genetic shuffling. :)
Gastropod
Hope this will help you
<em>Hugs ~L</em>
Answer:
plants grow best in sandy loam
Explanation:
there are three main types of soil : sand , silt , and clay. the best soil for most plants to ensure optimum growth is a rich , sandy loam. this soil is an even mixture of all three main types of soil.
<span>Macrophages work slowly apexBacteria reproduce quickly.</span>
