A gas called Ethylene which is given off by the already ripened fruit speeds the process of ripening for the unripened fruit.
➜ The insulin hormone controls the metabolism of sugar. When pancreas does not produce or secrete sufficient amount of insulin into blood, then the sugar level in the blood rises. Therefore, the patient excreates sugar (glucose) in urine, feels excessive thirst and also urinates excessively. The people having severe diabetes are treated by giving injections of insulin.
➜ Synapse.
C. Season Change
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Answer:
Nematodes are referred to as "pseudocoelomates" since their coelom is not entirely lined with mesoderm ally cell - derived in most forms, and they are triploblastic.
<h2>What is a nematode?</h2>
Any unsegmented worm of the phylum Nematoda, having an elongated, cylindrical body; a roundworm
<h2>What are characteristics of the pseudocoelomate phylum?</h2>
<em>-bilateral symmetry, unsegmented, triploblastic</em>
<em>-body cavity a pseudocoel</em>
<em>-size: some microscopic, others a few meters in length</em>
<em>-body veriform</em>
<em>-complete gut (2 cavities)</em>
The structure of the body wall of pseudocoelomates explained:
<em>-muscles are longitudinal (no circular) beneath the hypodermis</em>
<em>-non-living cuticle secreted by the hypodermis</em>
<em>-composed of many layers of collagen</em>
<em>-useful for protection and containing high pressure of hydrostatic skeleton</em>
<em>-muscles contract and push against</em> fluid which causes movement