Transport of materials into a cell against a concentration gradient, from low to high, requires

chemical weathering

explanation:

protist eukaryotes that are not plants, animals, or fungi ("misfits")

answer; the correct answer is conflict- related aggression; +

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.