Answer: B. Closed
In a closed circulatory system is the one in which the blood is circulated to all the parts of the body of the organism through vessels of different length and width. In this system the blood is pumped from the heart through blood vessels where it is transported to different organs and cells of the body instead of filling up the body cavity.
Harmful because they change how the genes are supposed to form and they can give disorders at times.
Answer:
A monarch butterfly migrating
Explanation:
I think it is the butterfly because butterfly's fly right after they come out of the cocoon
Typically blue is to represent A-adenine, yellow is T-thymine, green is G-guanine, and red is C-cytosine.