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- Comparative circulatory systems in fish, amphibians, mammals . . .
Download scientific diagram | Comparative circulatory systems in fish, amphibians, mammals, and birds In fish’s single-circuit circulation the gill and systemic circulations are placed in series
- Ichthyophiidae | amphibian family | Britannica
Other articles where Ichthyophiidae is discussed: Gymnophiona: Annotated classification: Family Ichthyophiidae Cretaceous (145 5–65 5 million years ago) to present; tail present; mouth subterminal (partially recessed); premaxillae not fused with nasals; prefrontals present; squamosal articulating with frontal; aquatic larvae; 3 genera, 50 species; adult size 40–50 cm (16–20 inches
- 15. 6: Paleozoic - Geosciences LibreTexts
Paleozoic Tectonics and Paleogeography Figure \(\PageIndex{1}\): Laurentia, which makes up the North American craton After the breakup of Rodinia toward the end of the Proterozoic, sea level remained high relative to land in the early Paleozoic
- Horned Marsupial Frog (Gastrotheca cornuta) - World Land Trust
Behaviour Horned Marsupial Frog are nocturnal, with males known to call from high trees with a loud ‘bop’ sound every eight to 12 minutes These canopy-dwellers breed by direct development – this process sees females release eggs from their body for the male to fertilise and deposit back in a pouch on the female’s back, which she then carries until the eggs hatch as fully developed frogs
- IUCN Red List of Threatened Species
Currently, there are more than 169,000 species on The IUCN Red List, with more than 47,000 species threatened with extinction, including 44% of reef building corals, 41% of amphibians, 38% of trees, 37% of sharks and rays, 34% of conifers, 26% of mammals, 26% of freshwater fishes and 12% of birds
- Amphibious fish - Wikipedia
All but one species bury in the mud when the body of water they live in dries up, surviving up to two years until water returns Bichir (Polypteridae): These 12 species are the only ray-finned fish to retain lungs They are facultative air breathers, requiring access to surface air to breathe in poorly oxygenated water [1]
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