Fossils of Lystrosaurus, a dicynodont therapsid, are most common in parts of modern-day South America, South Africa, Madagascar, India, South Australia, and Antarctica. It apparently lived in arid regions, and was mostly herbivorous. It originated during the mid-Permian period, survived the Permian extinction, and dwindled by the late Triassic, though there is evidence of a relict population in Australia during the Cretaceous. The dicynodonts had two large tusks, extending down from their upper jaws; the tusks were not used for food gathering, and in some species were limited to males. Food was gathered using an otherwise toothless beak. Judging from the fossil record, these pig-sized organisms were the most common mammal-like reptiles of the Permian. Anatomically, what was true of Lystrosaurus?

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#Question id: 19005

#Unit 13. Methods in Biology

If the molecule is non-polar which of the following chromatography can be used to analysed sample

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#Unit 2. Cellular Organization

A key component of the eukaryotic transcription machinery called TFIID includes a

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#Unit 10. Ecological Principles

All characteristics of k-selected species, except

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#Unit 2. Cellular Organization

For an organelle lumen or an extracellular space to become acidic, movement of protons must be accompanied either by movement of an equal number of anions in the same direction or by:

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#Unit 5. Developmental Biology

A mode of stem cell division in which two types of cells are produced at each division, a stem cell and a developmentally committed cell is called as___