Answer:
crossing over
Explanation:
Crossing over is where homologs can exchange DNA which leads to genetic variation
Answer:
Ticks, flies, mosquitoes, and fleas.
Explanation:
A jffnnffnfnfnfnhjgjggjgj
Answer:
20
Explanation:
pressure =force/area
150cm ×2=300cm^2
600÷300=20
I think this is right, you need to put the units on your answer