The primary source of energy in most ecosystems is/are(1 point) -the sun**
-heterotrophs
-glucose
-autotrophs
**what i picked

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.

Which organelle plays a role in intracellular digestion?