Explore environmental factors of an area that affect a species' characteristics over time. Construct a "broom" tree, sketch support structures similar to those used by the tall Amazon trees and explain the limitations of such structures.

Examine how scientists determine the age of living and non-living trees and identify factors that impact sizes of tree rings. Analyze tree ring samples and determine the age of the oldest sample.

Abiotic factors vary in the environment and determining the types and numbers of organisms that exist in that environment. Factors which determine the types and numbers of organisms of a species in an ecosystem are called limiting...