Standard 2 and Objectives

STANDARD 2: Students will understand that the features of Earth's evolving environment affect living systems, and that life on Earth is unique in the solar system.



OBJECTIVE 1: Describe the unique physical features of Earth's environment that make life on Earth possible.

OBJECTIVE 2: Analyze how ecosystems differ from each other due to abiotic and biotic factors.

OBJECTIVE 3: Examine Earth's diversity of life as it changes over time.


STANDARD 2 SUMMARY:

Earth supports an interconnected system of living organisms. This system is unique in the solar system. Biodiversity on Earth is determined by biotic and abiotic factors. Throughout Earth's history, the number and distribution of species have changed over time in response to environmental changes.