Answer: Prefix: Preobservation
Sufix: Observations
Explanation:
I think the answer you are looking for is that the stomach is the fourth level of organization.
Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
Answer:
1. 25% if it also includes the other parent's unknown alleles and 50% if it does not take into account the other parent.
2. The law of independent assortment states that organisms inherit each allele from their parents separately.
3. The type of dominance is incomplete dominance.