C1.1 & C1.2 Vocab
Terms
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- Paleontologist
- scientist who studies fossils
- Iquanodon
- first dinosaur ever found
- Odon
- greek word for tooth
- Hypothesis
- a likely explanation of a problem
- dinosaur
- terrible lizard
- fossils
- any remains or trace of a once-living thing
- Geologic time scale
- a time scale that shows the history of the Earth and what lived when
- Precambrian time
- time unit from the formation of Earth to 570 million years ago, in which ocean animals developed
- Paleozoic Era
- from 570 million years ago to 270 million years ago, during which fish thrived
- Mesozoic Era
- from 250 to 60 million years ago during which reptiles were the main life form
- Cenozoic Era
- 65 million years ago to present, when recent life evolved on Earth
- vertebrates
- an animal with a backbone
- extinct
- a species that no longer exists