Most coelomates possess a "A. Circulatory system" because the main feature of these animals is that they posses a digestive tract, which requires a certain amount of circulation.
Answer:the virus seems to keep changing and adapting
Explanation:
For example they have found that it now attacks your kidneys heavily causing failure when in the beginning it did not
The answer is B) Genetic variation
Answer:
B. continent
Explanation:
All three of the other choices are used to classify biomes.
Answer is C
Hope this helps