Answer:
you shouldn't use this website for quizzes.
Explanation:
sorry...
Answer:
I think it's two x chromosomes.
A biologist <span>an expert in or student of the branch of science concerning living organisms</span>
Crossing over can create genetic variation. Crossing over is when chromosomes cross over they give + take a part of another chromosome which can create different variation in genes.
Answer:
A scavenger is an organism that mostly consumes decaying biomass, such as meat or rotting plant material
