Answer:
1. Essential organs form during early development
Explanation:
Harmful chemicals (toxins) cause the most disease when they are present during fetal development, because organ systems are being developed and the rate of growth is very fast.
Answer:
blood is a type of connective tissue
Explanation:
Answer:
Well the white allele had to be Ww.
Explanation:
So you cross them and you 50% white and 50% yellow if the white parent was Ww.
HIV is thought have originated by 
.
A. apes passing the disease to hunters.✔
Answer:
the job or role of the organism in a community is its niche
