Dendrochronology

3. Tool that scientists use to collect core samples to crossdate trees.
5. rings Annual growth rings in trees, which can provide information about the tree's age and past environmental conditions.
11. The science of dating events and variations in the environment by studying tree rings.
12. Process by which producers make their own energy.
13. Acronym for the four abiotic factors plants need to survive.

1. Greek word for time.
2. A scientist who studies tree rings.
4. Causes black marks where the tree was burned on the surface but not destroyed.
6. Causes long, trailing marks or holes on the tree.
7. Used to describe positive or ideal growing conditions.
8. Process where scientists look for patterns in core samples from trees.
9. Used to describe unfavorable or harmful growing conditions.
10. A long period of time when an area doesn't get enough rain.
11. Greek word for tree.