The sun is the starting point of energy in food chains because the sun provides energy that is used by plants when they make food for themselves (remember, they are autotrophic).
(The sun; is; the starting point of energy in food chains; because the sun provides energy that is used by plants when they make food for themselves (remember, they are autotrophic)) (the sun; provides; energy that is used by plants; T:when they make food for themselves (remember, they are autotrophic) (energy; is used; by plants) (they; make; food)
The sun the sun energy they
is provides is used make
the starting point of energy in food chains because the sun provides energy that is used by plants when they make food for themselves (remember, they are autotrophic)
energy that is used by plants T:when they make food for themselves (remember, they are autotrophic
by plants
food