- What is the function of the appendix of our digestive system?
- Appendix has no function in our digestive system. It is a vestigial organ.
- Are our wisdom teeth really useful for chewing the food?
- Our wisdom teeth are not useful for chewing food.
- Why did the huge animals like dinosaurs become extinct?
- Dinasaurs could not adopt to the external environment.
- When the ice age began, it resulted in the scarcity of food.
- Thus, starvation is supposed to be one reason of their extinction.
- According to another theory, an asteroid called Chicxulub asteroid hit the earth about 65 million years ago and caused the catastrophic extinction of the huge animals like dinasaurs.
- Why are many species of animals and birds getting extinct?
- Human activities like rapid urbanization, industrialization, deforestation etc. is causing depletion of food sources and habitat of many birds and animals.
- Air, water and soil pollution is also contributing to this depletion.
- Activities like hunting and poaching is causing a rapid fall in their population.
- Hence, many species of birds and animals are getting extinct.
