The bell shaped curve indicates polygenic traits. A polygenic trait is controlled by multiple alleles. Hope this makes sense :)
For air masses to form fronts, they must collide with each other. B.
D. Myosin and actin do not fully detach, so the muscle cannot relax.
The answer is b it is being bred for a trait that is favored by humans
"evolution of populations over time" is <span>represented by the base root of a phylogenetic tree</span>
