Paraphyly of the annelids: all annelids are not segmented wormsTrapidoRosenthal, H GKuffner, I BMcDowell, LCoates, K A
This particular event has a slightly unsettling name — the Blood Worm Moon. What are bloodworms? They're segmented worms found in shallow tidal flats. They are often used as fishing bait, and they also bite. And the name Blood Worm Moon has absolutely nothing to do with them. "Blood" ...
Are worms nekton? Is plankton a pioneer species? What type of life history do invasive species often exhibit? Are coral polyps a keystone species? Are cartilaginous fish generally freshwater species? Are shrubs pioneer species? Are plants pioneer species?
Helminths are parasites that can either be flatworms, roundworms, or segmented worms. Most helminths that attack humans are found in the intestinal tract, though some helminths attach to other tissues or feed on a host's blood. Answer and Explanation: ...
Slow-worms are lizards, though they are often mistaken for snakes. Unlike snakes they have eyelids, a flat forked tongue and can drop their tail to escape from a predator. Why do worms have 5 hearts? An earthworm has five hearts that are segmented and pump blood throughout its body,” ...
Why do worms have 5 hearts? An earthworm has five hearts thatare segmented and pump blood throughout its body,” said Orsmond. She said their structure was provided by a “hydrostatic skeleton” coelomic fluid (fluid within the body cavity) held under pressure and surrounded by muscles. “The...
What they eat:Tardigrades mostly eat plants and algae. Some species eat other, smaller creatures, like microscopic worms and tiny, wheel-shaped animals called rotifers. What makes them special:They curl up into dried-up balls that can survive boiling water, freezing cold and outer space. This...
The phylum is composed of two classes: Enteropneusts (Acorn worms) and Pterobranchs (here we will ignore the controversial third class, Planctosphaeoidea) [37]. 18S rDNA phylogenetic analyses place hemichordates as the sister group of echinoderms, and these two phyla together are the Ambul...
The phylum is composed of two classes: Enteropneusts (Acorn worms) and Pterobranchs (here we will ignore the controversial third class, Planctosphaeoidea) [37]. 18S rDNA phylogenetic analyses place hemichordates as the sister group of echinoderms, and these two phyla together are the Ambul...
Annelida Examples: “segmented worms”; earthworm, leech, polychete. Characteristics: Closed circulatory system and 5 hearts, complete digestive system, ventral nerve cord and brain (ganglia) Reproduction: hermaphrodites but cannot self fertilize ...