Earthworm- Habit, Habitat, Morphology, Bodywall, Locomotion
Habit and Habitat of Earthworm The Earthworms are burrowers. It prefers to live in the burrow during the day and comes out at night and in damp cloudy weather for … Read more
Earthworm
Digestive System of Earthworm
Digestive System of Earthworm consists of the alimentary canal and the digestive glands. Image Source: https://digestivesystemgroup2.weebly.com/earth-worm-lumbricus-terrestris.html Earthworm Alimentary Canal Complete straight tube throughout the length of the body from mouth … Read more
Excretory or Nephridial System of Earthworm
The excretory organs are segmentally arranged, microscopic, coiled tubules called nephridia. Nephridia are ectodermal in origin. These are typically unbranched, and their inner ends open into coelom by a ciliated … Read more
Nervous System of Earthworm
Well developed and concentrated nervous system. Consists of 3 parts: the central, peripheral, and sympathetic nervous system. Figure: Nervous System of Earthworm. Image Source: Meridian Technical Charter High School. 1. … Read more
Economic Importance of Earthworms
Earthworms are simple, commonplace creatures are of greater economic value to human beings in different ways. Our earth would be a far different place without them. They have both useful … Read more
Sense Organs of Earthworm
Earthworms have well-developed sense organs or receptor organs. Simple in structures. Reacts to a number of stimuli with the help of 3 types of sense organs: epidermal receptor, buccal receptor, … Read more
Circulatory system of earthworm
Circulatory system of earthworm The circulatory or blood vascular system of an earthworm is a closed type. It consists of the blood vessel, heart, capillaries, and blood glands. Blood is … Read more
Earthworm- Reproductive System, Copulation, Cocoon formation
Reproductive system of earthworm Earthworms do not reproduce asexually. Reproductive organs are somewhat complicated. The pheretima is monoecious or hermaphrodites having both male and female reproductive organs in the same … Read more