The answer is A.
This is because the meiosis occurs when a sperm and egg fuse together to form a zygote. Both the male and female have different genes which makes the creates genetic variation among the organisms, as the baby has different genes.
Hope this helps.
Answer: C
Explanation:
HIV is classified as a retrovirus because its genetic material is composed of single-stranded RNA nucleotide. And also Retroviruses have the enzyme reverse transcriptase, which is capable of making a DNA copy of its RNA once inside the infected host cell
Answer:true
Explanation:
its true bc humans cause lots of damage to ecosystems whether its littering or simply making certain animals extinct
<span>b. by how they get their energy</span>