1)what is the name given to organisms that produce their own food?
a) autotrophs b)heterotrophs c)phototrophs

2)which of these is the ultimate source of energy for all organisms on earth?
a)autotroph
b)decomposers
c)the sun

3)heterotrophs obtain chemical energy from
a)consuming other organisms
b)photosynthesis
c)decomposition

pls i need