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- Biodiversity | Australia state of the environment 2021 - DCCEEW
The index has collated thousands of datasets for multiple species across hundreds of sites, and the results show a worrying trend For example, monitoring of 112 threatened plant species at more than 600 sites for more than 20 years shows, on average, a 72% decrease in Australian threatened plant populations (TSX 2020) (Figure 7)
- Vertebrate - Tetrapods, Anatomy, Adaptations | Britannica
Vertebrate - Tetrapods, Anatomy, Adaptations: Tetrapods live primarily on land and are similar in habit Members include amphibians, reptiles, birds, and mammals Features include the notochord, dorsal nerve tube, and pharyngeal slits Support and protection are provided by the exoskeleton, when present, and the endoskeleton Vertebrate tissue development is unique in its complexity
- Development and evolution of the metazoan heart - PMC
In fish and amphibians, separation of the OFT is not taking place, although NCCs have been reported to migrate to this area 96, 99, 100, 103 The situation in reptiles varies, as only in crocodilians and birds is OFT separation complete, whereas in lizards, snakes, and turtles separation is more akin to that of amphibians
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- What is the sixth mass extinction and what can we do about it?
A mass extinction is a short period of geological time in which a high percentage of biodiversity, or distinct species—bacteria, fungi, plants, mammals, birds, reptiles, amphibians, fish, invertebrates—dies out In this definition, it’s important to note that, in geological time, a ‘short’ period can span thousands or even millions of
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- Classification of Animals - YouTube
#ngscience #classification #animals https: ngscience comClassifying animals video from Next Generation Science - www ngscience com Video focuses on the cla
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