Explain how living things are dependent upon other living and nonliving things for survival. 

• Explain what happens to an organism when its food supply, access to water, shelter or space (niche / habitat) is changed.
• Identify similarities and differences between living organisms, ranging from single-celled to multi-cellular organisms through the use of microscopes, video, and other media.

Explain how specific adaptations can help organisms survive in their environment.

Explain that ecosystems change over time due to natural and/ or human influences.

Describe different food webs including a food web containing humans.

Describe the relationships between biotic and abiotic components of an ecosystem.

• Compare and contrast different biomes and their characteristics
• Describe symbiotic and predator/prey relationships