WebWhite muscle is anaerobic: it does not need oxygen. White muscle functions for sudden bursts of speed. Digestive Tract. The esophagus is short and wide, barely discernible from the stomach. A U-shaped stomach leads to a spiral valve in many species. ... Water enters the gill chambers through the mouth or spiracles and exits through the gill ... WebApr 23, 2024 · Earthworm bodies have an outer layer of muscle, epidermis (skin) and cuticle (protective hard layer). They have between 100 and 150 segments and a tube-like shape, which allows the species to easily move …

6 Legged Insects (ID Guide) 12 Examples, Photos - The Buginator

WebHowever, if you consider a heart to be an organ with multiple chambers, the worm has zero hearts because all of the aortic arches lack chambers. The aortic arches function similarly to the human heart’s single chamber. So, you can define a heart in any way you want. A worm can have five, ten, or zero hearts depending on this. WebNov 14, 2012 · Segmented worms are divided into many little segments, like rings joined together. They have no legs and no hard skeleton. Are platyhelminthes segmented? No. there are three kinds of... truland homes design center

anatomy - WormWatch

WebSegmented worms ( phylum Annelida ) are so named because of their elongated, more or less cylindrical bodies divided by grooves into a series of ring like segments. Typically, the … WebThe reddish-gray-colored common earthworm, often called a night crawler in the United States, is familiar to anyone with a fishing rod or a garden. They are indigenous to Europe, but are now ... WebSection 2: Segmented Worms _____, segmented worms, have setae (bristlelike structures) to hold on to the soil and to move; they also have bilateral symmetry, a body cavity holding organs, and two body openings (mouth and anus) _____ have more than 100 segments and move using their setae and two sets of muscles in the body wall. philippe chinese nyc