Question

Autotrophs can be classified into two groups according to which of these properties?

(a) energy source, either sunlight or chemicals
(b) food type, either plant matter or animal matter
(c) food quality, either living matter or dead matter
(d) water quality, either fresh water or salt water

Answer 1

a.energy source ,either sunlight or chemicals

Step-by-step explanation:

the animals using sunlight are known as photoautotrophs and the animals using chemicals are known as chemoautotrophs.