openstax body and thermodynamics block d
a4 sunlight--- _  heat [[ a4energy     
b4 plants----- _          p            
c4 fungi/bact  _ b4producers oop       
eria/worms---- _   p           p          
d4 animals---- _   p     p[[ d4consumers
[4 left arrow- _   p     p             
o4 right arro- _  c4decomposers oop    
p4 down arrow- _                  heat