Pls help i’ll give brainliest, i have an exam and i didn’t know and i didn’t study. “what is the main function of carbohydrates”

A. they contain the genetic information of living organisms
B. they build structures like cell walls and membranes
C. they are the main source of energy for living organisms

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.