Answer:
Asteroids are rocky worlds revolving around the sun that are too small to be called planets. They are also known as planetoids or minor planets. There are millions of asteroids, ranging in size from hundreds of miles to several feet across.
 
        
             
        
        
        
Answer:
Explanation:
If we produced by mitosis then everyone would be the same. The would be no genetic differentiation. Because in meiosis, germ cells cross over and create zygotes with unique dna.
 
        
             
        
        
        
Adaptation is a heritable trait. The increase of adaptive evolution by the frequency and effectiveness of an advantageous character over time. Organisms became better adapted to their environment. We have so many species in the world because species have adapted to every possible niche. Different habitats and environment have resulted in different modified organisms.
Some of the options for survival and reproduction include genetics ecology, human evolution, molecular evolution, bioinformatics, geology and sociology.