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All annelids have an?
closed circulatory system and a series of hearts
Annelids possess which type of circulatory system?
Plato: C. closed
How are earthworms and ascaris similar?
Annelids are segmented whereas roundworms are not. Annelids have a true coelom while roundworms have a pseudocoelom. Annelids have a more complex nervous system than roundworms. Annelids have a more complex circulatory system than roundworms.
What features found in annelids indicate the presence of a closed circulatory system?
blood vessels
What features distinguish annelids from roundworms?
There's many of them, but here are some of the bigger ones; Annelids, unlike roundworms (or flatworms for that matter) are segmented. That is after all how they get their name (annelida = little ring). Annelids also have a very complex organ system. Roundworms only possess a reproduction system as they usually live in an organism's intestines and don't need to digest food. Annelids posses both a reproduction system, and a digestive system as well as a circulatory system. As they are true coelomates their organs and organ systems are organised rather than just kinda' being tossed in there. =)
What are facts of an annelids circulatory system?
Some annelid species live in other invertibrate bodies such as the sponge.
Which animal phylum was the first to have a circulatory system?
The first animal phylum to have a circulatory system was the Annelida phylum, specifically the earthworm. Annelids have a closed circulatory system composed of blood vessels that transport nutrients and oxygen throughout the body.
Do annelids have a complex organ system?
Yes, annelids have a relatively complex organ system compared to other invertebrates. They have a well-developed digestive system, a closed circulatory system, a nervous system with a ventral nerve cord, and excretory organs called metanephridia. Overall, annelids exhibit a higher level of organization than simpler invertebrates.
Circulatory system in which blood is contined in vessels?
The circulatory system in which blood is contained in vessels is known as a closed circulatory system. In this system, blood circulates through a network of arteries, veins, and capillaries, allowing for efficient transport of oxygen, nutrients, and waste products. Unlike an open circulatory system, where blood flows freely in body cavities, a closed system maintains distinct blood vessels that enhance control over blood flow and pressure. This type of circulatory system is found in vertebrates, including humans, as well as some invertebrates like annelids.
What is the respiration of annelids?
Some aquatic annelids have something akin to gills, and the others do gas exchange through the body wall. They have no respiratory system as such. Wikipedia has some additional information, and a link is provided.
What is the circulatory system in the monkeys body?
closed circulatory system (double circulatory system)
How are the circulatory system and the circulatory system related?
They're both the circulatory system.
