Question
Which of the following belongs to arthropods?(a) Peripatus and crab(b) Prawn and scorpion(c) Centipede and cockroach(d) All of these
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Arthropods are a group of invertebrate animals that includes insects, arachnids, crustaceans, and others. They are characterized by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate. Show more…
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Which of the following phyla is thought to have evolved first? A. Chordata (fish, frogs, snakes, birds, humans, etc.) B. Arthropoda (insects, spiders, crustaceans, etc.) C. Mollusca (clams, snails, squids, etc.) D. Echinodermata (starfish, urchins, sea cucumbers)
The phylum Arthropoda includes all of the following kinds of animals except: a) snails. b) crabs. c) crayfish. d) butterflies. e) scorpions.
Which of the following is not characteristic of arthropods? (a) exoskeleton (b) trochophore larva (c) paired, jointed appendages (d) chitin (e) segmentation
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