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Such animals can't live in very cold climate .
Endothermic organisms generate their own body heat. Exothermic organisms cannot.
Endothermic organisms generate their own body heat. Exothermic organisms cannot.
Poikilothermic
They are poikilothermic ectotherms.
Poikilothermic means cold blooded.
A 4-chambered heart.
Homeostasis
Yes
Homeotherm
In early studies dinosaurs are poikilothermic in new study shows dinosaurs are truly homeothermic
Echinoderms group includes sea stars, sea urchins, and sea cucumbers. Less known members of the phylum are exothermic or poikilothermic their temperature depends on their environment.