Which of the following statement is incorrect about cockroach?
Cockroaches being an insect excrete using malpighian tubules. On the other hand, a prawn is a crustacean. It excretes using green glands that help in the removal of nitrogenous waste from its body. Thus, this statement is incorrect.
Which one is correct about cockroach?
So, the correct answer is ‘The food is grinded by mandibles and gizzard‘.
Which one of the following statement is incorrect Mesoglea is present in between?
Animal Kingdom. Which one of the following statements is incorrect? Mesoglea is present in between ectoderm and endoderm in Obelia.
Which of the following is absent in female cockroach?
In cockroaches, males bear a pair of short, thread-like structures present at the posterior region, which are absent in females. Complete answer: Male and female cockroaches can be distinguished externally through anal style, which is present only in males and absent in female Cockroaches.
What are the mouth parts of a cockroach?
An opening on the head of the cockroach is called mouth.It is surrounded by a pair of mandibles,first maxillae,labium,hypopharynx and labrum. The mouth part of the cockroach is for biting and chewing. The labium and labrum forms the lip.
What is digestive system of cockroach?
The digestive system consists of an alimentary canal and digestive glands. The alimentary canal of cockroach is divided into foregut, midgut, and hindgut. the foregut opens into a gap, where undigested food is temporarily stored. … The gastric sacks contain bacteria that the cockroach uses to digest its food.
Where is mesoglea located?
The mesoglea layer, which lies between the ectoderm and the endoderm (the innermost tissue layer) of coelenterates, is thin in small species and massive in large ones. It forms a flexible skeleton, associated with supporting muscle fibres on both the ectodermal and endodermal sides.
Is mesoglea present in triploblastic animals?
Mesoglea is present in diploblastic animals, whereas mesoderm is present in triploblastic animals and is the third embryonic layer formed, in the developing embryo, between the ectoderm and endoderm…..
Is mesoglea present in diploblastic?
Mesoglea is present between the two layers of the diploblastic animals. Complete answer: Mesoglea – In humans and other triploblastic animals three embryonic layers are found: the outermost ectoderm, middle mesoderm and the innermost endoderm. … These animals are called diploblastic animals.