Question

-understand the meteor impact theory and how it relates to the extinction of the dinosaurs

Explanation:

The meteor impact theory posits that a large asteroid or comet struck Earth around 66 million years ago. This impact would have caused massive fires, tsunamis, and ejected huge amounts of dust and debris into the atmosphere. The dust blocked sunlight, leading to a significant drop in temperature (a "nuclear winter" - like effect). This disrupted photosynthesis, causing plant death. Herbivorous dinosaurs, which relied on plants for food, starved. Carnivorous dinosaurs, which preyed on herbivores, also faced food shortages. Additionally, the impact could have caused acid rain and other environmental catastrophes that further contributed to the extinction of non - avian dinosaurs.

Answer:

The meteor impact theory explains dinosaur extinction through a chain of events: impact - induced environmental disasters (fires, tsunamis, dust - blocking sunlight), leading to temperature drop, disrupted photosynthesis, plant death, herbivore starvation, and subsequent carnivore decline, along with other catastrophes like acid rain.