1. Species vary over time
2. The fossil and the living species will have some similarities and some differences
It is not easily recognizable
Answer:
What causes genetic variation?
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism’s offspring).
Explanation:
PLZ mark brainliest also I hope this helps
Marine biology is the study of marine life (ocean) organisms of the sea
