Look at this Quizlet study guide it'll help.
https://quizlet.com/98515495/buoyancy-in-fishes-flash-cards/
1: incomplete inheritance
2: dominant, recessive
3: polygenic inheritance
4: multiple alleles
<span>Large-scale evolutionary trends are the result of macroevolution.</span>
Maybe a concussion or fractured vertebrae. Please mark Brainliest!!!