Answer:
F is for free, f is for attached
a. Ff, Ff
b. FF, or Ff
c. ff
Explanation:
Parents and first child have free earlobes so it must be dominant trait while attached is recessive. In order to have a recessive trait as seen in the second child, the parents must have a recessive allele.
The scientist you're looking for is an anthropologist.
Answer:
isolated I think I need more instructions
Answer:
B.sand
Explanation:
Sand can not be a common polluatant because it is NATURALLY found in and near water, while all other answer choices are man made pollutants!
Answer:
Fertilization results in a zygote