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(31) These algae are very dangerous in large quantities and could eventually destroy all other life in the aquarium if not controlled.

(32) That, in turn, has spurred algae growth, which clouds the lake.

(33) Like the yellow tang, this fish should be provided with plenty of algae.

(34) The sequence adjacent to the insertion site is very well conserved over large evolutionary distances such as between fungi, algae and bacteria.

(35) Growth of Algae Phosphates are used in detergents, fertilisers and many other manufactured products.

(36) The diagram shows the special features of the Algae Buster.

(37) In particular, both corals and giant clams harbour unicellular algae which live within their body cells.

(38) Algae stained plastic plants can be bleached and rinsed cleaned.

(39) If kept under control by regular mechanical cleaning of excess algae, they are often a positive addition to the tank.

(40) To remove algae from your aquarium, drain off the water and wash the tank thoroughly.

(41) There are grazing species which feed mainly on food animal organisms but ingest large amounts of algae in the process.

(42) The biological agents that can play a part in breaking down rocks include bacteria, algae and too tIers.

(43) Raw sewage was feeding an already rapid growth of algae, raising weed growth to critical levels.

(44) This humble mollusc can be unreservedly recommended as it is hardy and lives exclusively on algae.

(45) Grazing herbivores can often be supplied with all their needs from the growths of various algae present in the aquarium.

(46) The problem had hit Britain now because we were feeding the algae with phosphates and nitrates and causing blooms.

(47) He put tiny brine shrimp and brine algae in an everlasting cosmos.

(48) Complete removal of green algae from the aquarium is very difficult unless chemicals are used.

(49) For about 24 hours,[http://sentencedict.com/algae.html] man breathed into algae and algae breathed into man.

(50) Unfortunately it get direct sunlight, and is afflicted with algae.

(51) The colour, as with the Scarlet Ibis, originates from blue-green algae at the lower end of the food chain.

(52) He knows that most of his bottles will become encrusted with algae and settle to the sea floor.

(53) So the algae hang on as debilitating parasites rather than evolving towards benign cooperation.

(54) Phosphates in the water, from agricultural run-off and discharge from sewage works, provide nutrients on which the algae thrive.

(55) Clamp it between the two parts of an algae magnet and sink it to the bottom of the tank.

(56) The critical point is the effect of depth on illumination, which affects the photosynthetic activity of symbiotic algae.

(57) Rocks Wash well in tap water, removing any deposits or growths of algae, lichens etc.

(58) However, after dark the plants and algae stop producing oxygen and instead use it to respire.

(59) At this extreme duration the researchers noticed that the respirations of man and algae were not exactly matched.

(60) As the water becomes overloaded with nutrients, the algae spreads and oxygen levels fall.