A vertebrate is an organism with a skeleton including a backbone.
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Examples of vertebrates?
Fish, Amphibians, Bird, Reptiles, Mammals.
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What is an invertebrate?
An invertebrate is an organism without a skeleton or a backbone.
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Examples of invertebrates?
Jellyfish etc.
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How can scientists further classify vertebrates?
By considering: how the animal takes in oxygen – lungs, gills or through the skin. Thermoregulation – homeotherms or poikilotherms. Reproduction – oviparous or viviparous.
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What is a poikilotherm?
An organism whose temperature depends on the surroundings.
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