Answer:
Insects
Explanation:
Insects are six legged invertebrates belonging to the phylum arthropod.
To increase their nutrient range. They have two characteristics which are;
1. Adults and offsprings of certain age eat different foods. In their larval stage, butterfly and moth eat leaves whereas the adult butterfly feeds on nectar.
2. The mouth parts are specialized for many different types of nutrients. For example chewing insects will have a pair of jaws.