Animals questions This is a list of recently added questions about animals. Play animals quiz and see all the questions. When did the dinosaurs first appeared on Earth?About 230 million years ago. The oldest known findings of dinosaurs are about 230 million years old. Paleontologists think that the early dinosaur genus Eoraptor resembles the common ancestor of all dinosaurs; if this is true, its traits suggest that the first dinosaurs were small, bipedal predators.Created by: smyruhard 46% about 10 million years agoabout 10 million years ago215about 70 million years agoabout 70 million years ago230about 230 million years agoabout 230 million years ago872about 600 million years agoabout 600 million years ago578geology riddles » What makes naked mole-rats interesting to scientists?Longevity and cancer resistance. Naked mole-rats are the most long-living rodents. They are known to live up to 31 years. Until 2016, when 2 cancer sick animals were found, they had been believed to be fully cancer resistant. Their immunological system evolved an additional cancer cell discovery feature that does exist among other animal species.Created by: smyruaverage 66% longevity and cancer resistancelongevity and cancer resistance1723extraordinary sense of smellextraordinary sense of smell191spatial memoryspatial memory150ability to see in darknessability to see in darkness541rodents riddles » Which trait makes naked mole rat a subject of intensive scientific studies?Longevity and resistance to cancer. The lifespan of naked mole rat is around 30years, while other rodents rarely live longer than few years. Until recently it was believed that they are entirely resistant to cancer, however in 2016 cancer was found in two individuals. Studies have revealed that immune system of naked mole rats has an additional mechanism to identify cancerous cells.Created by: lanusienkaaverage 66% longevity and resistance to cancerlongevity and resistance to cancer1723an extraordinary sense of smellan extraordinary sense of smell191spatial memoryspatial memory150vision in complete darknessvision in complete darkness541medicine riddles » What is inside the camel's hump?Fat. Camels can live without water many days. They don`t sweating, don`t loosing water in excrements. Camels drinkig seldom but they can drink 100 liters in 10 minutes. Created by: Hanna Kaminskaaverage 69% waterwater834mineralsminerals153fatfat2590sweat glandssweat glands139deserts riddles » How many whiskers do cats typically have?24. Typically, cats on each side have 12 whiskers (vibrissae). There are also a few vibrissae over the eyes.Created by: Kelia0035average 60% 24242309202047630307133535305cats riddles » Which common medication is extremely toxic to cats?Paracetamol. Ingestion of paracetamol leads to methemoglobin formation, as cats lack the glucuronyl transferase enzymes necessary to break it down safely. This inhibits oxygen transport by the blood, causing asphyxiation. Each year many cat owners kill their cats by giving them paracetamol-based pain relief drugs.Created by: globalquiz.orghard 41% aspirinaspirin930paracetamolparacetamol1276ibuprofenibuprofen362vitamine Cvitamine C508pets riddles » How is the branch of zoology concerned with aphibians and reptiles called?Herpetology. "Herp" is a vernacular term for reptiles and amphibians. It is derived from Greek 'herpien' meaning 'to creep'.Created by: Paweł Kołodziejczykhard 57% ichthyologyichthyology2061herpetologyherpetology6574malacologymalacology1023entomologyentomology1686reptiles riddles » What it is an autotomy?Self amputation (e.g. of a tail). Autotomy (from the Greek auto- "self-" and tome "severing") or self amputation is the behaviour whereby an animal sheds or discards one or more of its own appendages, usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape. The lost body part may be regenerated later.Created by: Paweł Kołodziejczykhard 56% eating only one kind of spieces (e.g. the koala is eating leaves of the eucalyptus)eating only one kind of spieces (e.g. the koala is eating leaves of the eucalyptus)1059self amputation (e.g. of a tail)self amputation (e.g. of a tail)5749hunting of its own kindhunting of its own kind2308in-breeding (small gene pool)in-breeding (small gene pool)1025human anatomy riddles » Where do gharials live?In the Ganges River. The gharial (Gavialis gangeticus), also known as the gavial, and the fish-eating crocodile, is a crocodilian of the family Gavialidae, native to the northern part of the Indian Subcontinent. It is harmless to humans.Created by: Paweł Kołodziejczykhard 48% In the NileIn the Nile1291In the Ganges RiverIn the Ganges River4796In the AmazonIn the Amazon1855In the entire Central Africa (Congo and its tributaries)In the entire Central Africa (Congo and its tributaries)1918biology riddles » Which animal doesn't belong to odd-toed ungulates?Rhinoceros. Odd-toed ungulates include the horse, the tapir, and the rhinoceros.Created by: Paweł Kołodziejczykvery hard 24% hippopotamushippopotamus668rhinocerosrhinoceros607camelcamel376okapiokapi779nature riddles » Play animals quiz and see all the questions.