The document discusses observations of various amphibian and reptile species' behavior in microgravity during a flight experiment. It was found that none of the animals vomited, possibly because they did not eat before the flight or because amphibians and reptiles have a weaker vomiting response than mammals. Different species reacted variably based on their ecology and phylogeny. Flexible limbed lizards tended to roll more, while geckos commonly displayed a "skydiving posture" related to their arboreal ancestry. Overall reactions to microgravity varied significantly between species based on both ecology and evolutionary history.

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72. AMPHIBIA
Gymnophiona
Ichthyophiidae
Ichthyophiskohtaoensis
Caeciliidae
Dermophismexicanus
Typhlonectidae
Typhlonectessp.
Caudata
Hynobiidae
Hynobiusnebulosus
Salamandridae
Cynopspyrrhogaster
Anura
Pipidae
Xenopuslaevis
Hylidae
Hylajaponica
Hylahallowellii
Ranidae
Ranarugosa
Rananigromaculata
Bufonidae
Bufomarinus
Leptodactylidae
Lepidobatrachusbudgett
Ceratophryssp.
Ceratophryssp.
Rhacophoridae
Rhacophorusschlegelii

73. REPTILIATestudinesBataguridaeMauremysjaponicaCuoraamboinensisEmydidaeTrachemysscriptaSquamataColubridaeElaphequadrivirgataElapheobsoletaElaphebairdiThamnophissauritusHeterodonplatyrhinosAmphisbaenidaeGeocalamusacutusLeposternonmicrocephaleurAnguidaeOphisaurusventalisAgamidaePhrynocephalussp. LacertidaeLacertaviridisLacertaagilisIguanidaeAnoliscarolinensisIguana iguanaSternocerusempetrusTropiduridaeLeiocephaluspersonatusLeiocephalusshreibersiScincidaePygomelesbraconnieriIsopachysgyldenstolpeiChalcidesocellatusScincellalateralisPygopodidaeLialis jicariGekkonidaePalmatogecko rangeiStenodactylussthenodactylusTarentola chazaliaeUroplatus guentheriUroplatus henkeliEublepharismaculariusHemitheconyxcaudicincusPhelsumalaticauda

74. Motion Sickness?
•All of the animals were provided with food prior to the flight, although not all of them ate the food.
•None of the animals vomited.
•Two possible reasons for this are…
–The animals did not eat so their stomachs were not full.
–The amphibians and reptiles have a weaker vomiting response to weightlessness than mammals.

75. Other Conclusions
•Animals with similar ecology generally show similar responses; e.g., snakes versus fossorial limbless lizards.
•Flexible and limbed lizards are more likely to roll and rotate in micro-g.
•However, geckos as a family all show reduced rates of rolling in micro-g. Many show “sky- diving” postures in micro-g—even those that are ground dwelling. This may related to their common evolutionary history as a primarily arboreal family of lizards.

76. General Conclusions
•There is much variation in how animals react to micro-g…
–Ecology matters.
–Phylogeny can also matter.
•Implications to selecting “model” species: for space flight experiments.