Alignment to Standards for CA
| Grade | Number | Standard |
|---|---|---|
| 2 | 2 S ES--3.d. | fossils provide evidence about the plants and animals that lived long ago and that scientists learn about the past history of Earth by studying fossils. |
| 3 | 3 S LS--3.e. | some kinds of organisms that once lived on Earth have completely disappeared and that some of those resembled others that are alive today. |