Earthworm - Wikipedia
An earthworm is a soil-dwelling terrestrial invertebrate that belongs to the phylum Annelida. The term is the common name for the largest members of the class (or subclass, depending on the author) Oligochaeta.
Inside of an earthworm — Science Learning Hub
Earthworms have a simple nervous system. The cerebral ganglion is connected to a ventral nerve cord that runs the length of the body. Each segment is connected to this cord, allowing earthworms to move and respond to light, touch, chemicals, vibrations and more. Acknowledgement: Sara L Roggemann, Three Flowers Photography.
Earthworms - University of Pennsylvania
Earthworms are more than just fish bait. They are the main contributors to enriching and improving soil for plants, animals and even humans. Earthworms create tunnels in the soil by burrowing, which aerates the soil to allow air, water and nutrients to reach deep within the soil.
Anatomy of Earthworm (With Diagram) - Zoology
In this article we will discuss about the external and internal anatomy of earthworm. This will also help you to draw the structure and diagram of earthworm. External Anatomy of Earthworm: The body of Pheretima is nearly circular in cross-section and varies from 7 …
Earthworm - Morphology, Diagram and Anatomy of Earthworm …
An earthworm is a segmented worm; a terrestrial invertebrate belonging to the phylum Annelida. They are the common inhabitants of moist soil and feed on organic matter. Earthworms are commonly called as farmer’s friend.
Diagram of Earthworm - Structure and Classification ...
2024年3月26日 · Earthworms are reddish-brown, segmented terrestrial invertebrates that live in moist soil. They are the largest members of the Oligochaeta class and belong to the phylum Annelida. They have a streamlined body with no antennae, fins, arms, or legs.
anatomy - WormWatch
The following table outlines the anatomical characteristics of earthworms: The following image illustrates earthworm anatomy: Figure 1: Anatomy of an earthworm. The first segment of the earthworm, the peristomium (see figure 1), contains the mouth. There is a small tongue-like lobe just above the mouth called the prostomium (see figure 1).
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