A)A chromosome is a long continuous strand of DNA
Microevolution is the change in allele frequencies that occurs over time within a population. This change is due to five different processes: mutation, selection (natural and artificial), gene flow, gene migration and genetic drift.
Towards the poles because its far from the equator.
Answer:
Sedimentation, rocks piling on top of eachother and forming sediment
Explanation:
Plants convert carbon into oxygen and chemical energy so without carbon they wouldn't have food/energy so they wouldn't be able to live