which one of the following animal does not undergo metamorphosis?
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Option A- Earthworm does not undergo metamorphosis. Starfish, moths and tunicates all undergo metamorphosis that is, they develop into the adult organisms after undergoing many developmental stages in their lives as young ones. Metamorphosis is usually seen in amphibians and insects.
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Vertebrates include mammals such as humans. If an animal does not have a backbone, it is an invertebrate. Insects, spiders, and jellyfish are all examples of invertebrates.
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Are bees born fully grown? Simply put, no they are not. In fact, bees go through full metamorphosis just like any other insect. A bee transforms from an egg to larva to pupa to fully-grown adult.
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No birds give birth to live young, so they do not form placentas, and neither do any turtles or crocodiles. However, all the other groups of vertebrates contain species which give birth to live young – many lizards and snakes, amphibians, bony fish and cartilaginous fish. Many of these form complex placentas.
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['All living things breathe, eat, grow, move, reproduce and have senses.', 'Non living things do not eat, grow, breathe, move and reproduce. They do not have senses.']
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An amphibian is a cold-blooded vertebrate animal that is born in water and breathes with gills. As the larva grows into its adult form, the animal's lungs develop the ability to breathe air, and the animal can live on land. Frogs, toads, and salamanders are all amphibians.
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The differences between complete and incomplete metamorphosis are many. Complete metamorphosis has 4 distinct stages: egg, larva, pupa, and adult. Incomplete metamorphosis has 3 distinct stages: egg, nymph, and adult. Both complete and incomplete have egg and adult.
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Fish, amphibians and reptiles belong to a group called ectotherms meaning that these animals do not produce heat to maintaining a constant and normally high body temperature (as is the case for birds and mammals).
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Ants have complete metamorphosis. Queen ants lay eggs. The baby ant that hatches from the egg is a larva, with no legs, just a soft white body like a worm and a small head. The larvae are fed by the queen (in the first generation) and then by workers.
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In contrast, viviparous animals are born as live young individuals. Therefore, they do not lay eggs. Birds, reptiles, amphibians, most fish, insects, mollusks, arachnids, and monotremes are oviparous animals. Most mammals are viviparous animals.
1180914
All butterflies have "complete metamorphosis." To grow into an adult they go through 4 stages: egg, larva, pupa and adult. ... Depending on the type of butterfly, the life cycle of a butterfly may take anywhere from one month to a whole year.
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['Animals are multicellular eukaryotes that lack cell walls.', 'All animals are heterotrophs.', 'Animals have sensory organs, the ability to move, and internal digestion. They also have sexual reproduction.']
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Animals without backbones are called invertebrates. They range from well known animals such as jellyfish, corals, slugs, snails, mussels, octopuses, crabs, shrimps, spiders, butterflies and beetles to much less well known animals such as flatworms, tapeworms, siphunculids, sea-mats and ticks.
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They are the only animals that do not exhibit obvious symmetry in their body organization. They have aggregations of different cell types but do not have true tissues.
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['Resemble bony fish and terrestrial vertebrates in having jaws and paired appendages.', 'An electroreceptive system is well developed.', 'Endoskeleton entirely cartilaginous.', 'No swim bladder or lung.']
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And octopus is a mollusk. Therefore, an octopus does not have any bones.
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All animals are eukaryotic, multicellular organisms, and almost all animals have specialized tissues. Most animals are motile, at least during certain life stages. Animals require a source of food to grow and develop. All animals are heterotrophic, ingesting living or dead organic matter.