1. Inv 1 Vocabulary Extinction: D: When a whole species dies P: S:
Biodiversity:
D: the variety of life that exists in a particular habitat or ecosystem. P: S:

2. Inv 1 Vocabulary Con. Extinct: D: no longer existing. P: S:
Fossil:
D: any remains, trace, or imprint of animal or plant life preserved in Earth’s crust. P: S:

3. Inv 1 Vocabulary Con Fossil Record: D: all the fossils on Earth. P: S:
Organism:
D: a living thing. P: S:

4. Inv 1 Vocabulary Con Paleontologist:
D: a scientist who studies fossils. P: S:
Principle of superposition:
D: a theory that says sedimentary rocks on the bottom are older than rocks on the top. P: S:

5. Inv 1 Vocabulary Con Sediment:
D: pieces of weathered rock such as sand, deposited by wind, water, and ice. P: S:
Sedimentary Rock:
D: a rock that forms when layers of sediments are stuck together. P: S:

6. Inv 1 Vocabulary Con Tetrapod: D: a vertebrate with four limbs. P: S:
Transition:
D: change P: S: