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Planarian. Dugesia subtentaculata, a dugesiid . Planarians (triclads) are free-living flatworms of the class Turbellaria, [ 2][ 3] order Tricladida, [ 4] which includes hundreds of species, found in freshwater, marine, and terrestrial habitats. [ 5] Planarians are characterized by a three-branched intestine, including a single anterior and two ...
A long snake-like shape of carbon formed during the experiment. "Black snake" is a term that can refer to at least three similar types of fireworks: the Pharaoh's snake, the sugar snake, or a popular retail composition marketed under various product names but usually known as "black snake". The "Pharaoh's snake" or "Pharaoh's serpent" is the ...
Eunice aphroditois. Pallas, 1788. Eunice aphroditois is a benthic bristle worm of warm marine waters. It lives mainly in the Atlantic Ocean, but can also be found in the Indo-Pacific. [ 1][ 2] It ranges in length from less than 10 cm (4 in) to 3 m (10 ft). [ 3] Its exoskeleton displays a wide range of colors, from black to purple and more.
Swima bombiviridis is a worm species that lives in the deep ocean. [ 2] It is also known as the green bomber worm or bombardier worm. This deep ocean pelagic (free-swimming) annelid has modified bioluminescent gills that can be cast off from an individual. These discarded gills somewhat resemble green "bombs" that remain illuminated for several ...
Description. Earthworm head. Lumbricus terrestris is relatively large, pinkish to reddish-brown in colour, generally 110–200 millimetres (4.3–7.9 in) in length and about 7–10 millimetres (0.28–0.39 in) in diameter. It has around 120–170 segments, often 135–150. The body is cylindrical in the cross section, except for the broad ...
An average adult shipworm measures 4 to 6 inches (10 to 15 cm) in length and less than one-quarter inch (6.4 mm) in diameter, but some species grow to considerable size. [ 2] The body is cylindrical, slender, naked, and superficially vermiform (worm-shaped). In spite of their slender, worm-like forms, shipworms possess the characteristic ...
[2] [16] Due to this, the fall webworm (which is an ectotherm) is able to maintain a warm temperature of about 40-50 °C, which allows the larvae to grow and develop faster. [2] [16] Inside the web, there is a temperature difference because the central part tends to have a higher temperature, while the back part tends to have a lower ...
Odontosyllis enopla, commonly known as the Bermuda fireworm, is a polychaete worm that inhabits shallow areas of the western Atlantic Ocean. The organism is bioluminescent when it rises to the surface of the sea during its mating period. It is possible that this fireworm is the explanation of a candle-like light seen by Christopher Columbus ...