Answer:
i think its the first one because i found this information that makes sence
Explanation:
Restriction enzymes are used in biotechnology to cut DNA into smaller strands in order to study fragment length differences among individuals. This is referred to as restriction fragment length polymorphism (RFLP). They're also used for gene cloning.
1. Three (3) Phylums
2. Nine (9) Classes
3. The Class has more groups.
4. The Phyla contains more organisms.
Kool if you know what I mean
Answer:
Natural selection. It is simply the process by which random variations that give an individual a favorable adaptation to its environment survive to be passed on to offspring.
Answer:
smaller single celled organisms have a high surface area to volume ratio cause surface area to the volume ratio smaller as the cell grows larger. if a sell grow beyond the limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume