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What are the three classes of annelids?
The three classes of annelids are Polychaeta (marine worms with bristle-like structures called chaetae), Oligochaeta (terrestrial and freshwater worms like earthworms), and Hirudinea (leeches, which are typically found in freshwater environments).
What are the three classes of Phylum Annelida?
The three classes of Phylum Annelida are Polychaeta, Oligochaeta, and Hirudinea. Polychaeta are marine worms with bristles called chaetae, Oligochaeta include earthworms with few chaetae, and Hirudinea are leeches that are mostly freshwater and have suckers for attachment.
What is the hirudinea and oligochaeta?
Hirudinea are leeches. many are predators that feed on other invertebrates, but some are parasites that suck blood. body usually flat, chaetae(each segment has 4 pairs of chaetae, bristles that provides traction for burrowing) absent, sucker at anterior and posterior ends, parasites, scavengers.Oligochaeta: freshwater, marine, and terrestrial segmented worms such as earthworms, reduced head, no parapodia, chaetae present. ^_^
What are marine worms in the phyla annelid called?
Marine worms in the phylum Annelida are commonly referred to as polychaetes. These segmented worms are characterized by their bristle-like structures called chaetae, which aid in locomotion and anchorage in their marine environments. Polychaetes exhibit a wide variety of forms and habitats, often playing crucial roles in marine ecosystems. Examples include species like the ragworm and sandworm.
What is bristle worm phylum?
Bristle worms belong to the phylum Annelida, which also includes earthworms and leeches. They are segmented worms with bristles along their bodies called chaetae, which they use for movement and protection. Bristle worms are commonly found in marine environments, where they play important roles in the ecosystem by scavenging detritus and preying on small organisms.
Parapodia are found on what type of annelids?
Parapodia are found on polychaete annelids, which are marine worms characterized by their numerous bristle-like extensions called chaetae on each body segment. These parapodia aid in locomotion and respiration.
What phylum is the lugworm in?
The lugworm belongs to the phylum Annelida. This phylum is characterized by segmented worms, which include earthworms and leeches. Lugworms are specifically classified under the class Polychaeta, known for their bristle-like structures called chaetae. They are typically found in marine environments, burrowing in the sand or mud.
How do bristles help earthworms?
The bristles are called setae or chaetae. They are 's' shaped and are made up of chitine. They aid in locomotion.
What is the most distinctive feature of annelids?
Any of various worms or worm like animals of the phylum Annelida, characterized by an elongated, cylindrical, segmented body and including the earthworms and the leeches.
What worms can live inside the human body?
Flatworms such as tape worms and flukes, and roundworms such as trichinosis-causing worms, filarial worms, ascarid worms and hook worms.
Are meal worms real worms?
Meal-worms are actually beetle grubs - NOT worms.
How are worms different from flat worms?
round worms are round and flat worms are flat!
