Which level of consumer has access to the smallest supply of energy? a. primary b. secondary c. tertiary d. quaternary select the best answer from the choices provided a b c d

The quaternary consumer has access to the least amount of energy. This is because only about 10% of energy is passed on to the next level. So the higher you go up the food chain, the less energy there is.

An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.