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Subzero temperatures and marine ectotherms
1992Sea water (osmolarity approximately 1000 mOsmoles 1−1) freezes at about −1.9°C. Most marine invertebrates have body fluids which are iso-osmotic with sea water and so have a similar freezing point. Provided that they are not in prolonged contact with ice crystals, such animals are exposed to little risk of freezing whilst immersed in sea water. Even so,
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Cardiovascular function in ectotherm sauropsids
2018Although the anatomy of the heart and its outflow tract differs between crocodiles and all other extant ectotherm sauropsids (i.e. Chelonia, Rhynchocephalia, and Squamata), they share one unique feature: All ectotherm sauropsids are able to bypass the pulmonary circulation and to redirect blood volumes returning from the systemic circulation directly ...
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Are ectotherm brains vulnerable to global warming?
Trends in Ecology & Evolution, 2021Iván Beltrán +3 more
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Frogs and turtles: Different ectotherm overwintering strategies
Comparative Biochemistry and Physiology Part A: Physiology, 1987The ability of frogs and turtles to overwinter and to survive hypoxia and anoxia has long been a topic of interest. While data remains scant, the emerging picture shows fundamentally different approaches to overwintering in these two groups of ectotherms.
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Thermal biology and mate acquisition in ectotherms
Trends in Ecology & Evolution, 1991Many elements of the behavioural repertoire of ectothermic animals depend on body temperature. Under differing thermal conditions, behaviours in insects, reptiles and other terrestrial ectotherms may therefore vary widely, and in any given thermal regime there may be simple physical and physiological character differences between individuals that lead ...
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