BIOLOGY
JAMB 2015 - Question 13
Biology 2015 JAMB Past Questions - Question 13: The process of shedding the exoskeleton of an anthropod is known as
Correct Answer
A
Explanation
Ecolysis is the periodic shading of the outer layer of the epidermis of most reptiles, exoskeleton (ie cuticle) of an arthropod to allow for an increase in body size. Metamorphosis is a series »f gradual changes that occur during the development of an animal from the fertilized egg to adult stage. It involves moulting from larva to pupa but the major process is the transformation of the whole organism. Thus metamorphosis involves more than moulting. Tagmosis/tagma is a section of the body of an arthropod that is forms: by the fusion of the mesoder giving rise together 3 body regions (head, thorax and abdomen) or tv.: body region cephalothorax (head and thorax fused together) and abdomen. Instar - is a stage in the larva development of an insect (e.g grasshopper) between two molts There are usually a number of larva instars or- stages before metamorphosis occurs. Each stage between the molts is an instar

