(8) Study the picture given below and answer the questions that follow:
(i) Identify the organism.
(ii) Name the phylum it belongs to.
(iii) What is its exoskeleton made up of?
(iv) Explain the term 'Moulting'.
(v) What are Vertebrates?
Answers
Answer:
1 butterfly
2. phylum cordata
3.soft pierce
4.the way of taking out
5.boney animal
Answers with respect to diagram are given below-
(i) Identify the organism - Butterfly
(ii) Name the phylum it belongs to - Arthropods
An arthropod in an organism with exoskeleton, segmented body and invertebrate in nature.
(iii) What is its exoskeleton made up of - Chitin
Exoskeleton is the outer hard layer present for protection. It is also found in cockroach.
(iv) Explain the term 'Moulting' -
The term moulting refers to the manner of an organism by which it removes outer layer of the body namely, hairs, feathers, skin etc.
The process is also called shedding or sloughing. The process occurs at specific intervals. The phenomenon is observed in many organisms. Example - human shed skin cells.
(v) What are Vertebrates?
Vertebrates are the organisms which have spinal cord in them. The spinal cord is connected to brain and is enclosed in vertebral column for protection. Example - human, cat.