One of the following is not an Annelid
(a) Nereis
(b) Earthworm
(c) Leech
(d) Urchins
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Answer the following: (i) What is the function of nephridia? (ii) How many types of nephridia are found in earthworm based on their location?
(i) Nephridia are segmentally arranged excretory organs present in earthworms. (ii) On the basis of their location, three types of nephridia are found in earthworms. They are: Septal nephridia: These are present...
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Mention briefly about the circulatory system of earthworm
Earthworms (Pheretima) have closed blood vascular systems, which consists of the heart, blood vessels, and capillaries. The heart pumps blood for circulating it in one direction. Blood is supplied by...
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Mention briefly about the circulatory system of earthworm
1 Answers
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Mention the function of the following (a) Ureters in frog (b) Malpighian tubules (c) Body wall in earthworm
(a) Ureters in frogs: A ureter acts as a urinogenital duct, which carries sperms along with urine in male frogs. (b) Malphigian tubules: Malphigian tubules are excretory organs in cockroaches. (c) Body...
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How do annelid animals differ from arthropods?
Segmented body in annelids, while true segmentation is absent in arthropods. Arthropods have joined appendages, which are absent in annelids.
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Differentiation in segmental fashion occurs in (a) Leech (b) Starfish (c) Snails (d) Ascaris
Differentiation in segmental fashion occurs in (a) Leech
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Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm.
(b) Body with jointed legs
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You are given leech, Nereis, Scolopendra, prawn and scorpion; and all have segmented body organisation. Will you classify them in one group?
All organisms given in the question do not belong to same group. Leech and Nereis belong to phylum annelida because they have metamerically segmented body i.e., body is divided into...
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Which of the things in the following list are non-living? Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm
Non-living things: Plough, Sewing machine, Radio, Boat.
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Which of the following animals does not undergo metamorphosis ? (1) Earthworm (2) Tunicate (3) Moth (4) Starfish
(1) Earthworm
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