PLEASE HELP WILL MARK AS BRAINIEST

Answer:
for 1st question the answer is maybe 4th or 1st ( I think 4th ).
and for the 2nd question 4th ( consumers ) option is the answer
and the answer of third question is omnivores.
Answer:
1) The transfer or flow of energy.
2)Consumers
3)Omnivores
May it help you