Investigate interrelationships of living things and their food sources to give evidence that the sun is the primary source of energy for life on Earth (BM-p.
(Investigate interrelationships of living things and their food sources; to give; evidence that the sun is the primary source of energy for life on Earth) (the sun; is; the primary source of energy for life on Earth)
Investigate interrelationships of living things and their food sources the sun
to give is
evidence that the sun is the primary source of energy for life on Earth
the primary source of energy for life on Earth