Because corals contain internal microscopic plants called zooxanthellae, they receive much of their energy from sunlight via photosynthesis.
(corals; contain; internal microscopic plants called zooxanthellae) (internal microscopic plants; called; zooxanthellae) (they; receive; much of their energy; from sunlight)
corals internal microscopic plants they
contain called receive
internal microscopic plants called zooxanthellae
zooxanthellae
much of their energy from sunlight