Hint | Answer |
The formation of planets and other bodies by collection of material through gravity... | |
One of the four geologic eons of Earth history during which continents formed... | |
A sedimentary clastic rock mainly formed by erosion of other rocks or turbiditic re-deposition of sands (from the Latin name for sand)... | |
A group of phosphate minerals with high concentrations of OH−, F− and Cl− ions, respectively, in the crystal, and is the defining mineral for 5 on the Mohs scale... | |
A former microcontinent in the Paleozoic era, its crustal fragments underlie parts of Great Britain, Ireland, USA (New England) and Canada (Atlantic coast)... | |
An orogenic phase in the late Mesozoic and the current Cenozoic that has formed the mountain ranges in parts of Africa, Europe and Asia (e.g. Atlas, Alps, Caucasus, Himalayas)... | |
A system of mountains in eastern North America formed during the Ordovician Period with Mount Mitchell as its highest point... | |
The natural process by which life has arisen from non-living matter, such as simple organic compounds, also called 'Origin of life'... | |
A genus of evergreen coniferous trees found in South America and Oceania, dating back to Mesozoic age and are condsidered living fossils... | |
An extinct genus of fenestrate bryozoan (aquatic invertebrates) named for its corkscrew shape, that have been extinct since the Permian... | |
A group of extinct marine mollusc animals with spiral-shaped shells that first appeared during the Devonian period... | |
A genus of extinct millipede arthropods that lived in the Carboniferous and Permian Period and the larger species of which are the largest known land invertebrates of all time... | |
An extinct genus of stem-group marine arthropods, which was up to 1 metre (3.3 feet) long and is considered one of the earliest examples of an apex predator... | |
An extinct class of teleostome fish, sometimes called spiny sharks, which died out in the Permian Period... | |
An extinct order of heavily armored Late Triassic herbivorous archosaurs... | |
A genus of pterosaur known from the early Cretaceous Romualdo Formation of Brazil with a wingspan of about 4.6 metres (15 feet)... | |
A genus of armored quadrupedal Ornitischian dinosaur with a tail club... | |
A genus of herbivorous sauropod dinosaur that lived in North America in the late Jurassic period... | |
A genus of carnivorous theropod dinosaur that lived during the late Jurassic period... | |
A genus of bird-like dinosaur generally accepted as the oldest known bird... | |
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