Answer:A
Explanation it is well thought out and it the most logical
It really wouldn't make a big change to the circulatory system because the damage has already occurred but it surely would prevent it from getting the circulatory system any worse.
In order to test the presence of starch, one has to treat with iodine. If the food turns blue-black in color, it is an indication of the presence of the starch.
Cladogram shows that Osteichthyes should be under group A. Going back to their characteristics, they’re a group of fish that have the derived characteristics of jaws and true bones. So, moving backwards from group A these derived characteristics are clearly traceable, wherein each line is showing a relationship/connection.
Answer:
Genetic drift can result in the loss of rare alleles and can decrease the size of the gene pool