|Ancient Life Forms
|Plants or animals that are very old. They existed many thousands and millions of years ago.
|A natural incidence or occurence that causes destruction and change in the environment. Catastrophic events include volcanic eruptions, earthquakes, tsunamis, and severe weather events, such as hurricanes, tornadoes and floods.
|A long-term change in daily weather conditions, such as temperature, precipitation, and wind patterns, over periods ranging from decades to millions of years.
|Any organism that is in danger of becoming extinct
|Plants or animals that once lived on the Earth but have all died.
|The remains or traces of ancient living things.
|A process that results in the devastation of a natural habitat causing the displacement or death of plants and animals in the region. The habitat is changed or destroyeds o it can no longer support the organisms in their growth and survival.
|Modern Life Forms
|Plants and animals that exist right now or have existed within modern history.