Question

All living organisms can be classified into two major groups - ________ and _________. Most plants make their own food so, they are called _________. All animals cannot make their own food so, they are called _________.

Answer 1

1. All the organisms are classified into two major groups i.e. Plants and Animals.
2. Plants make their own food and that's why they are called as Autotrophs ( Auto means Self and Trophic means Nutrition ).
3. Since animals don't make their own food and are dependent on other organisms for their nutrition, they are called as Heterotrophs.

Final answer : All living organisms can be classified into two major groups- plants and animals. Most plants make their own food so, they are called autotrophs. All animals cannot make their own food so, they are called heterotrophs.