Answer: The common ancestor of humans and chimpanzees had 24 pairs of chromosomes, and at some point in the human lineage, two chromosomes fused end to end, providing some selective advantage.
Explanation: Humans evolved in a different way due to external factors and at some point in the human lineage, two chromosomes blended giving humans a selective lead.
Answer:
Grass
Explanation:
since producer is the first thing in the food chain its grass
I'm not 100% sure, but I'd say the availability of vaccines and medicine.
A.The structure and function of cilia and flagella are dependent on ATP