This is a 9th grade biologyhonors question(s):
this is about bioorganic molecules, which are lipids, proteins and carbs.
anyone who knows this, me. 10 points. i don't have much time. : (

1) what is the function of a carbohydrate?
2) what is the function of a lipid?
3) what is the function of a protein?

Average annual precipitation and are the two major features that define the biomes on earth.

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.