Which statement is correct? a)all organisms that can synthesize their food by means of photosynthesis are heterotrophic. b)all organisms that cannot synthesize their food by means of photosynthesis or chemosynthesis are heterotrophic. c)all organisms that cannot synthesize their food by means of photosynthesis are heterotrophic.

B) All organisms that cannot synthesize their food by means of photosynthesis or chemo synthesis are heterotrophic.

All  those organisms that cannot manufacture their own food and instead obtains its food and energy by taking in organic substances in the process of photosynthesis usually in the animals and plants. All animals, protozoans, fungi, and most bacteria are heterotrophs.

a- all cells come from pre-existing cells

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.