DEFINITIONS AND KEY POINTS FOR OBJECTIVES

DEFINITIONS AND KEY POINTS FOR OBJECTIVES OF PHYLUM ARTHROPODS

DEFINITIONS AND KEY POINTS FOR OBJECTIVES
TERMS DEFINITIONS
Schizocoelous coelom The  coelom   thrilled   by    the  splitting   of mesoderm     is  call  Schizocoelous
Tagmatization The regional specialization is called tagmatization.
Epicuticle It is the outermost lay er. It is made up of a waxy lipoprotein
Procuticle The procuticle is composed of chitin and several          kinds of
Chitin Chitin is a tough leathery polysaccharide.
Sclerotization     – Sclerotization is a tanning process in which layers of protein is chemically cross-linked with one another.
SensiIla The cuticle is modified to form sensilla. SensiIla is present in the form of pegs. bristles. and Lenses
Fedysis The periodic shedding of exoskeleton for growth in arthropods


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is called molting process called ecdysis.    ‘

Metamorphosis The   radical  change  in   body  form  and  physiology   from

immature larval stage to adult is called metamorphosis.,

Biramous. appendages In this case. each appendage has two branches).

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