Human impact is the cause for the extinction of how many species of plants and animals in the past 100 yrs?

The Ecosystem benefits human life with

What's the value per year of what the Ecosystem gives in Ecosystem services like water filtration, carbon fixation, food

What is biodiversity?

How much land is destroyed daily by deforestation for cattle grazing and for lumber?

What impact does rainforest deforestation have, beyond the loss of trees?

In which ways are humans negatively impacting ecosystems?

First to Answer! What is the title of our new Unit?

First to Answer! What are the two words that are on the bulletin board in the back of the room?

Who has earned the most stamps in Mr. McDonald's class today?

Who has earned the most stamps overall today?

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