Are platyhelminthes deuterostomes or protostomes?

Are platyhelminthes deuterostomes or protostomes? Protostomes are divided into the Ecdysozoa (e.g. arthropods, nematodes) and the Spiralia (e.g. molluscs, annelids, platyhelminths, and rotifers). A modern consensus phylogenetic tree for the protostomes is shown below….Protostomia. Platyhelminthes and allies 550 mya Mollusca Annelida and allies Does platyhelminthes have Deuterostome development? Protosttome: develop mouth from the blastopore, spiral […]

What is pure georgette silk?

What is pure georgette silk? Georgette is a type of crêpe fabric that is typically made from pure silk but can also be made from synthetic fibers like rayon, viscose, and polyester. The silk fabric is sheer and lightweight and has a dull, matte finish. Is pure georgette expensive? Interesting Facts and Comparisons. Pure Georgette […]

Do canker sores cause swelling?

Do canker sores cause swelling? Canker sores usually begin with a burning or tingling feeling. They may be swollen and painful. Having a canker sore can make it hard to talk or eat. Canker sores may hurt for 7 to 10 days. Can canker sores grow under your tongue? Canker sores occur singly or in […]

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