The ozone layer reflects the suns heat hottest layer in the atmosphere
<span>Taxonomy is the classification or grouping of organisms into groups, based on shared or similar characteristics. The criteria used for including an organism in a group can be controversial. An example of a taxon is the class Reptilia.</span>
A,b I think should be the answer
<span>several extreme environments on Earth, buried DEEP, living in hot, dry desert sand.. ETC</span>
Answer:
Deletion mutations can affect the entire base sequence.
Explanation: