| 31. | Tiny algae in the lake give it a bright green colour.
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| 32. | Since coralline algae contain calcium carbonate, they fossilize fairly well.
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| 33. | They appear to be the closest relatives of the brown algae.
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| 34. | Brown algae also produce a type of tannins known as phlorotannins.
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| 35. | Flowers, ferns, algae and insects may also be eaten.
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| 36. | Some vegetation that lives here are algae, fungi and mosses.
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| 37. | In comparison, Pipefish prefer seagrass over algae and sand habitats.
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| 38. | Oysters are filter feeders, straining planktonic algae from the water.
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| 39. | Omnivorous, their diet includes algae, insects, and crustaceans.
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| 40. | Power stations can be based on aquatic plants such as algae.
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