A dichotomous key is created by scientist to identify objects and organisms.
Questions from a dichotomous key would be:
The fish have 1 eye or 2 eyes
Or if the alien have 2 heads or 1 head.
Answer:
rotation
revolution
lunar cycle
Explanation:
hope that helps if so please mark as brainliest
Answer:
it protects aquatic life from changes in air temperature
Explanation:
CHromosom is mado chromatids. Chromatids have a lot of thriplets inside. Every thriplet is one gene. Allele is also different variant of gene