Human Impact

An area of land where all the water flows to one location, like a funnel. 

• Superfund Site
• Watershed
• Succession
• River

Many different types of organisms. 

• Pioneer species
• Community
• Biodiversity
• Population

The type of ____________ helps us measure water quality.

• Macroinvertebrate
• Microinvertebrate
• Watershed
• Succession

Type of succession where land never existed before. Surtsy is an example. 

• Pioneer
• Secondary
• Opportunistic
• Primary

Underground water source. 

• River
• Superfund site
• Aquifer
• Cave

The first species to move into a forming ecosystem. Mosses and small grasses are examples. 

• Pioneer
• Opportunistic
• Climax community
• Primary

_______________ succession occurs after a catastrophic event destroys an area.

• Primary
• Opportunistic
• Climax 
• Secondary

Species that move in after the pioneer species have created soil with nutrients. 

• Secondary
• Opportunistic
• Climax
• Primary

Final stage of succession

• Climax community
• Terminal Community
• Secondary community
• End phase

Hazardous sites the government has decided need to be cleaned up. 

• Hazards
• Superfund