q cnidarians and poriferans do not have excretory
Q. Cnidarians and Poriferans do not have excretory systems. Do platyhelminthes have an excretory system?
Platyhelminthes have a primitive excretory system made of flame cells
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q what are the kinds of digestion and of digestive system of platyhelminthesflatworms have incomplete digestive systems and they present
q how are nutrients distributed through the digestive system in planariasplanarias have single opening digestive system incomplete with ramifications
q how is gas exchange done in flatwormsplatyhelminthes exchange gases exclusively by diffusion through their body surface this is only possible
explain internal broaching - types of broaching internal broaching operation is adopted for producing internal surface such as holes keyways and
q cnidarians and poriferans do not have excretory systems do platyhelminthes have an excretory systemplatyhelminthes have a primitive excretory
define external broaching - types of broachingexternal broaching is employee for machining a flat surface the broach is in the form of a small length
q what are instances of nematodesascaris filaria and hookworm all parasites of humans are instance of nematodes also known as roundwormsq are
q what is the usual morphological feature of nematodes that differentiates them from platyhelminthesnematodes are also called as roundworms as the
what is an entity relationship modelthe entity relationship model is a set of basic objects known as entities and relationship between those objects
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