Across
- 1. large brown seaweed used as a source of iodine
- 4. the loss of soluble minerals from the soil
- 5. grow sideways to absorb shallow water
- 6. a symbiotic relationship between algae and fungi
- 7. part of a plant where photosynthesis takes place
- 8. type of soil that contain a mixture of sand, clay and humus
Down
- 2. substance deposited within the cell walls to make the stem woody
- 3. milk sugar
- 4. a series of developmental changes undergone by individuals
- 5. any factor whose supply limits the rate of a metabolic reaction