Question

Energy in most ecosystems must flow through autotrophs because ______.
a.
only autotrophs can convert solar energy into chemical energy
b.
autotrophs are simpler organisms than heterotrophs
c.
heterotrophs only generate a small fraction of their energy from photosynthesis.
d.
all of the above


Please select the best answer from the choices provided

A
B
C
D

Answer 1

A

Only autotrophs (producers) can convert solar energy into chemical energy (via photosynthesis), so energy entering most ecosystems must flow through them.