biology b1a classification 0.0 / 5 ? BiologyVariety of life and classificationGCSEEdexcel Created by: India CotgreaveCreated on: 16-05-13 21:19 Vertebrates have a backbone and internal skeleton 1 of 5 oviparous lay eggs 2 of 5 viviparous give birth to live young 3 of 5 poikilotherms temperature changes with surroundings 4 of 5 homeotherms regulate their own temperature 5 of 5
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