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Ektotherm

poikilotherm [ˌpɔɪkɪləʊθɜːm], ectotherm [ˈektəʊθɜːm] 名词

poikilotherm
Wechselwarmer (Tier)

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Foraging activity is therefore restricted to the day time (diurnal activity patterns) in most vertebrate ectotherms.
en.wikipedia.org
The common octopus is a poikilothermic, eurythermic ectotherm, meaning that it conforms to the ambient temperature.
en.wikipedia.org
When they emerge from shelter, many diurnal ectotherms need to heat up in the early sunlight before they can begin their daily activities.
en.wikipedia.org
This feature is commonly shared among amphibians and it is also possible, that all ectotherms are capable of this.
en.wikipedia.org
They have a four-chambered heart and, somewhat like birds, a unidirectional looping system of airflow within the lungs, but like other reptiles they are ectotherms.
en.wikipedia.org

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