STUDY ISLAND MCAS REVIEW LIFE SCIENCE Assignment #4 Energy & Living Things Changes in Ecosystems

Energy in Ecosystems PHOTOSYNTHESIS Can you explain the diagram shown?

Energy in Ecosystems PHOTOSYNTHESIS What is the source of energy for photosynthesis? What pigment is found in plants that allows them to photosynthesize? What ingredients do plants need in order to What are the products of photosynthesis? PHOTOSYNTHESIS

Energy in Ecosystems PHOTOSYNTHESIS What is the source of energy for photosynthesis? The Sun What pigment is found in plants that allows them to photosynthesize? Chlorophyll What ingredients do plants need in order to Carbon Dioxide & Water What are the products of photosynthesis? Sugar (Glucose) & Water PHOTOSYNTHESIS

Explain the formula shown above? Energy in Ecosystems Can you… Explain the formula shown above?

Can you name the producer, primary consumers, Energy in Ecosystems QUICK CHECK! Can you name the producer, primary consumers, secondary consumers?

Energy in Ecosystems FOOD WEB CONNECTIONS What if…. All of the trees were cut down and removed from this food web? All of the mountain lions were hunted All of the insects (grasshoppers/aphids) were killed by pesticides and removed from this food web?

Energy in Ecosystems Can you… Describe the role of decomposers in an ecosystem? Name two kinds of decomposers in a forest food web?

Changes in Ecosystems Over Time Can you explain the graph shown?

Changes in Ecosystems Over Time Can you explain the graph shown?

Changes in Ecosystems Over Time Can you explain the graphs shown?

This lesson will help you to review material that you learned in Grade 7 Life Science and prepare you for this week’s Study Island lesson. Your Grade 7 teachers send best wishes and know you will be successful on Grade 8 Science MCAS. YOU CAN DO IT!!