Understand that the successful distribution and abundance of organisms rely heavily on specific, measurable abiotic and biotic factors.
Explain how unexpected shifts in environmental conditions can significantly and disproportionately impact the size of one or more populations within a community.
Describe the practical field techniques used to scientifically investigate organism distribution and changing ecosystem conditions, including identification keys, transects, quadrats, capture-recapture methods, sampling living indicators, and using specialized measurement instruments.
