D) DNA,messenger RNA,and Transfer RN
Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.
I would say the best option is "A". The climate in the arctic is full of snow, which is also white. It helps the arctic fox and snowshoe rabbit to hide. I didn't say inter species competition because they aren't competing for the same resource. (rabbit, vegetarian; fox, carnivore)
I hope this helps you!
Brainliest answer is always appreciated!
Is veins in charge of transporting the blood
