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nephridia
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Features that distinguish earthworm from phylum platyhelminthes and phylum neinatoda?
Platyhelminthes are bilaterally symmetrical, nonsegmented, dorsoventrally flattened worms characterized by lack of coelom, anus, circulatory and respiratory systems, and exo- or endoskeleton. Nematoda are bilaterally symmetrical and usually tapered at both ends. Some species have separate sexes; others are hermaphroditic.Nematodes have a unique excretory system consisting, in simpler species, of one or two one-celled glands called renette cells and, in more highly specialized forms, of longitudinal excretory ducts. Earthworm (phylum annelid)- The body is annular, made up of segments that are most specialized in the rear. Earthworms have a simple circulatory system. They have two main blood vessels that extend through the length of their body: a ventral blood vessel which leads the blood to the posterior end, and a dorsal blood vessel which leads to the anterior end. Unlike platyhelminthes and nematoda, they do possess a body cavity (coelom).
What are earthquakes called on the moon?
Moonquakes (yes it's that simple!)
What is it called when you look at a simple picture and you can basically draw it onto a large piece of paper?
it is called copying
Similarities and differences of earthworm and human circulatory system?
Naturally human bodies are much more complex than those of worms. For instance, humans have skeletal system, while worms are invertebrates. They also have a very weak nervous system which doesn't allow them to feel any pain. Humans generally have good senses we can taste, touch, hear, smell, and see well (we can also feel pain). Worms only have eye spots which give them awareness on the level of light in their environment however don't actually give them vision. Worms have two main blood vessels: a dorsal and a ventral vessel. These vessels circulate blood from the head to the tail of their bodies. The blood is moved from waves of contraction in the vessel. Both humans and worms are alike in that they both have what is referred to as a 'closed circulatory system'. However in our system we have only one heart and the two fluids we transport are blood and lymph; meanwhile worms have 5 hearts which circulate blood. In a worms excretory system basically food goes in the mouth and comes out the opposite end. of an earthworm is very simple. In short, food goes in one end and comes out the other. Niphridia helps to absorb some water during the process. They are found in pairs in every segment except the first 3 and the last one. Niphridia are to worms what kidney's are to humans.
What is the painting with the man in the suit with a briefcase walking towards escalators in the middle of the ocean called?
It is actually an untitled work, but it is commonly called known by the simple title, "The Escalator." It is a photomontage by Scott Mutter.
What are the organs of the simple excretory systems of earthworms called called?
nephridia
What are the organs of the simple excretory system of earthworm's called?
nephridia
What are the organs of the simple excretory systems of earthworms?
nephridia
How do cells from the excretory system transform into organs?
Cells from the excretory system do not transform into organs. Organs in the excretory system, like the kidneys and bladder, develop from specialized clusters of cells called germ layers during embryonic development. These cells undergo complex processes of differentiation and organization to form functional excretory organs.
What is the excretory system of a planarian?
Planaria ,which lives in fresh water ,has two strands of branching excretory tubes that open to the outside of the body through excretory pores .The simple tubular excretory is called protonephridium,Which is a network of closed tubules without internal openings.Tubular system is spread through out the body.Located along the tubulesare bulb like Flame cells
How are earthworms more complex than tapeworms?
Tapeworms have skin, intestines and reproductive organs. They are very simple creatures unlike the earthworm. Earthworms have a brain, Aortic arches, a clitellum, segments, intestines, reproductive organs, a crop, gizzard, Dorsal nerve cord, Cuticle (skin) satae, mouth and anus.
Can a living thing be called a simple organism with organs?
No, but hannah smith is a simple organism.
What are samples of simple-many celled animals?
earthworms
Is kidney connective muscle nervous or epithelial tissue?
Simple cuboidal epithelium lines the surface of small excretory ducts in various organs and glands in the body and compose some of the kidney tubules in the cortex of the kidney.
What system protects internal organs from harmful bacteria sunlight and injury.?
That system is called as integumentary system. in simple word it is called as skin.
What are the simple tube-shaped organs through which mollusks eliminate nitrogen-containing wastes called?
Its going to be a.gills
What is a fluid filled space separating an animal's digestive tract from the body wall known as?
That space is called the coelom. It is a fluid-filled body cavity lined with mesoderm that separates the digestive tract from the outer body wall in many animals. The coelom provides space for organs to be suspended and allows for greater organ movement within the body.
