1) What is the protection of valuable things, especially forests, wildlife, and natural resources? a) Conservation b) Primary Succession c) Secondary Succesion 2) What is the change that occurs where an ecosystem already existed? a) Conservation b) Primary Succession c) Secondary Succession 3) What is the change that occurs to create a new ecosystem where one did not exist before? a) Conservation b) Primary Succession c) Secondary Succesion 4) Which of the following is a way humans damage ecosystems? a) Sleep b) Pollution c) Breathing 5) Which of the following is NOT considered a natural disaster a) Fire b) Snow c) Storms d) All of these are natural disasters

Changes in Ecosystem

印刷
埋め込み

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オプション

テンプレートを切り替える

自動保存: を復元しますか?