6) All plant and animal groups existing together and the physical factors with which they inte
A)
climate.
B)
kingdom.
ecosystem.
D)
weather pattern.

ecosystem

Explanation:

because climate involves weather

Kingdom wouldn't make any sense

ecosystem is a group of co-existing living things

and weather patter is involving weather

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.

look at this it will give you up to 17 answers