why did huge animals like dinosaurs become extinct?
Answers
Rhe cause of their extinct is still a mistry....but climatic change,d diseases,
changing plant community, geologic could have played a important role...
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The last dinosaurs died approximately 65 million years ago. Although the cause of their extinction is still a mystery, climatic change, diseases, changing plant communities, and geologic events could all have played a role.
Lately, dinosaur extinction theories have been the subject of much debate and controversy. A recent explanation, supported by many scientists, suggests that dinosaurs died out soon after a huge meteorite crashed to Earth near the Gulf of Mexico. A giant meteorite, they reason, could have landed with an impact that kicked up enough dust and debris to block out sunlight for a long time — leading to a deadly chain of events. Without the sun, all the plants died; without the plants, all the plant-eaters died; and without the plant-eaters, all the meat-eaters died. Sounds reasonable. But there is one problem with this theory: Paleontologists have not yet been able to find dinosaur skeletons in rocks dating to the period of impact. Some evidence even seems to indicate that all the dinosaurs had died before the meteorite hit.
A big meteorite crashed into Earth, changing the climatic conditions so dramatically that dinosaurs could not survive.
Ash and gas spewing from volcanoes suffocated many of the dinosaurs.
Diseases wiped out entire populations of dinosaurs.
Food chain imbalances lead to the starvation of the dinosaurs.