Worms are many different distantly related bilateral animals that typically have a long cylindrical tube-like body, no limbs, and usually no eyes.

2025年12月13日 · Worm, any of various unrelated invertebrate animals that typically have soft, slender, elongated bodies. Worms usually lack appendages; polychaete annelids are a conspicuous exception.

WORM definition: any of numerous long, slender, soft-bodied, legless, bilaterally symmetrical invertebrates, including the flatworms, roundworms, acanthocephalans ...

A Worm is an elongated soft-bodied invertebrate animal. The best-known is the earthworm, a member of phylum Annelida, however, there are hundreds of thousands of different species that live in a wide …

2024年5月27日 · A worm includes any invertebrate animal that has a long body with no appendages. They cover over 1 million different types of invertebrates, and they are considered invasive species.

Of the thirty-odd phyla in the animal kingdom, at least a third are generally referred to as worms. If you include the more exotic, lesser-known phyla described as “worm-like,” it’s well over half. So, …

2 天之前 · Collaborative worm community Horvitz and his colleagues’ discoveries about apoptosis helped demonstrate that understanding C. elegans biology has direct relevance to human biology …