Across
- 6. Body of seaweed
- 8. Organisms who obtain their nutrients and energy by feeding on the producers
- 10. Leaf-like structures
- 11. Large brown algae that live in cool, relatively shallow waters close to the shore
- 12. A plant that has flowers and produces seeds enclosed within a carpel
- 15. Substance obtained from kelps that is used as a emulsifier in many food items and in the making of many products
- 16. Organisms that produce food for themselves and other organisms
- 17. Stem-like structure
- 19. The dominant salt-marsh plant in many salt marshes
- 21. The air bladder of certain algae and aquatic plants
Down
- 1. Large algae growing in the sea or on rocks below the high-water mark
- 2. A plant adapted to growing in saline conditions
- 3. Root-like structures
- 4. A polyphyletic group of multicellular primary producers
- 5. Substance harvested from red seaweeds that is used as a thickening agent in dairy products such as yogurt and milkshakes
- 7. A mass of microspores in a seed plant appearing usually as a fine dust
- 9. Dead particulate organic material
- 13. Underwater plants that evolved from land plants
- 14. Substance obtained from red seaweeds is used to culture microorganisms in the healthcare industry, as a thickener in foods, filler in pharmaceuticals and cosmetics, and to protect canned meats
- 18. A root that grows from and supports the stem above the ground
- 20. Organisms that eat other consumers