Conformers: Internal environment dependent upon external environment, Use behavioural responses to maintain optimum metabolic rate, Low metabolic cost, Narrow ecological niche, "cold blooded", Reptiles, Invertebrates, Ectotherms, , Regulators: Maintain internal environment regardless of external environment, Use metabolism to control internal environment, Wide range of ecological niches, Requires energy to achieve homeostasis, High metabolic cost, "warm blooded", Birds, Mammals, Endotherms, ,

2. 4 Conformers & Regulators

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恢復自動保存: ?