Answer: natural selection
light colored frogs becasue they can't survive in this muddy and pulloted pond
300 B.C theophrastus was considered the "Father of Botanty"
Mass extinction refers to the procedure in which a huge number of species gets extinct suddenly.
The following are the correct matches of the events taken place in the mentioned time period:
1. Cretaceous-Tertiary: The mass extinction of dinosaurs took place.
2. End-Triassic: Possibly resulting due to massive rifting of the surface of the Earth.
3. Permian-Triassic: It is considered the worst mass extinction in the history of the Earth.
4. Late Devonian: It is possibly a result of the growth of forest on the land surface of the Earth.
5. Ordovician-Silurian: The earliest mass extinction took place at this time.
1. Thicker walls due to a higher amount of carbon dioxide. If you research plants adaption to carbon dioxide levels or even climate change. You should have a few results
