#Question id: 23153
#SCPH06 I Botany
#Question id: 4973
#SCPH28 | Zoology
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.Which of Lystrosaurusʹ features help explain why these organisms fossilized so abundantly?
I. the presence of hard parts, such as tusks
II. its herbivorous diet
III. its persistence across at least two geological eras
IV. its widespread geographic distribution
V. its mixture of reptilian and mammalian features
#Question id: 5557
#I Life Science/ Life Sciences Group – I-V
The plasma membrane of the sea urchin egg ________.
#Question id: 10358
#SCPH06 I Botany
Which of the following essential micronutrients is associated with nitrate reductase enzyme found in higher plants?
#Question id: 14355
#SCPH05 I Biotechnology
Lactic acid fermentation is example of