The answer is D yayayayay
Answer: A. virus strains multiplied in cell cultures
A nucleotide consists of three things: A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil). A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of its carbons. One or more phosphate groups.
Answer:
Biome 1: Arctic Tundra
Organism 1: Arctic Fox
Explanation:
1. This organism can be found in a cold, snowy ecosystem with long winters and short summers.
2. The Arctic Fox is at the top of the food chain, so it has a small amount of predators. It's population would increase if there were no predators to hunt them. This would affect the ecosystem by causing a sudden decrease in the Arctic Fox's prey.
Climate changes thats what im guessing .. not too sure though ... sorry
