Answer:
a viral infection
Explanation:
i think that this is right answer
Answer: Gamete
Explanation: <u>Gametes are an organism's reproductive cells.</u> They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome.
Answer:
A walrus stays warm in the cold ocean or penguins can stay warm in cold arctic waters.