The amish population who migrated from europe to the united states had very few individuals in their population. additionally, their gene pool shows very few alleles due to inbreeding. a genetic trait called polydactyly (having six fingers), which is rare in other populations, is common amongst them. what kind of evolutionary effect is exhibited in this example?
a. mutation
b. natural selection
c. founder effect
( > .< )

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.