They are not mammals, reptiles, amphibians, birds or insects, so what are they? Earthworms have no eyes but can sense light. Animals can be divided into two categories: vertebrates (animals with backbones) and invertebrates (animals without backbones). 30 апр. 2020 г.
Are worms mammals or reptiles?
Both worms and insects are invertebrates.
What animal class is a worm?
Earthworms (class Oligochaeta) are familiar terrestrial members of this phylum and leeches (class Hirudinea) are well-known parasitic members of the phylum, most commonly found in freshwater.
What kind of organism is a earthworm?
earthworm, also called angleworm, any one of more than 1,800 species of terrestrial worms of the class Oligochaeta (phylum Annelida)—in particular, members of the genus Lumbricus.
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