Across
- 3. Tiny openings on underside of leaf that allows exchange of gases to occur
- 5. primary consumer -> __ consumer -> tertiary consumer
- 7. carbon dioxide+water -(in the presence of light and chlorophyll)-> oxygen+__
- 8. Green pigment in leaves that trap light energy to make food
Down
- 1. __, wind and hydropower are examples of renewable energy sources
- 2. Fossil fuel is an example of __ energy.
- 4. This liquid absorbs carbon dioxide to turn from colourless to milky
- 6. Dripping iodine on the leaf to test for __. When iodine turns dark blue, then this substance is present. If it remains brown, this substance is absent.