Characteristics. All worms are bilaterally symmetrical, meaning that the two sides of their bodies are identical. They lack scales and true limbs, though they may have appendages such as fins and bristles. Many worms have sense organs to detect chemical changes in their environments, and some have light-sensing organs.
What are the 5 characteristics of earthworm?
Earthworm Phylum CharacteristicsMetamerism. All annelid bodies are divided serially into segments called metameres. ... Body Wall. The body wall has an outer circular muscle layer and inner longitudinal muscle layer. ... Chitinous setae. ... Coelom. ... Closed Circulatory System. ... Complete Digestive System. ... Respiration. ... Excretory System.Earthworm Phylum Characteristics - Sciencing
What are 5 facts about worms?
An earthworm can grow only so long. ... A worm has no arms, legs or eyes.There are approximately 2,700 different kinds of earthworms.Worms live where there is food, moisture, oxygen and a favorable temperature. ... In one acre of land, there can be more than a million earthworms.Worm Facts | The Adventures of Herman the Worm | U of I Extension
What characteristics identify earthworms?
The earthworms can be identified using the following characteristics: • Long and cylindrical narrow body, • Bilateral symmetry • It is light brown in colour with purple tinge at the anterior end.
What is the characteristic and classification of earthworm?
An earthworm is a terrestrial invertebrate that belongs to the phylum Annelida. They exhibit a tube-within-a-tube body plan; they are externally segmented with corresponding internal segmentation; and they usually have setae on all segments. They occur worldwide where soil, water, and temperature allow.
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