Vocabulary Flashcards: Extinction and Disasters

A set of vocabulary flashcards defining terms related to biological history, catastrophes, and space objects as presented in the lecture notes.

skeleton

a body's bones

auction

a sale in which items are sold to the person who offers the most money

fossilized

when a dead animal or plant was buried and became hard like a rock

extinct

no longer in existence

catastrophe

a great disaster

triggered

caused

comet

an object made of dust, gas, or ice that travels in outer space

asteroid

a large rock in outer space

species

groups of living things

died off

died one after another

mass extinction

the death of all animals or plants in many species