👉 Pterygota is a group of animals that includes the largest phylum, the Chordata (birds, mammals, reptiles, and insects). These animals are characterized by their four arms, which are developed from the first pair of legs.
👉 Pterygota is a group of animals that includes the largest phylum, the Chordata (birds, mammals, reptiles, and insects). These animals are characterized by their four arms, which are developed from the first pair of legs.
