| A | B |
|---|
| color | algae are classified according to this characteristic |
| marine | term which means living in saltwater (oceans or seas) |
| aquatic | term which means living in fresh water (ponds, lakes, streams) |
| green algae | the class of algae that includes plankton |
| golden algae | the class of algae that includes the unicellular diatoms |
| silica (like glass) | substance that the outer thin shells of diatoms are made of (makes them useful as abrasives for polishing and as reflective particles for highway paints) |
| brown algae | class of algae that includes the largest and most complex members (the floating seaweeds) |
| kelp | another name for the large brown seaweeds which are a common food item in Japanese households |
| air bladders | structures that enable brown algae to stay afloat and gain enough sunlight |
| holdfasts | structures on some brown algae that attach them to rocks or the ocean floor in shallow areas |
| Sargassum | largest brown algae; can grow up to 30 meters |
| red algae | class of algae that includes marine members useful as additives in food for nutrition and smooth texture (soft ice creams, salad dressings, etc) |
| agar | substance derived from certain red algae that is used to culture bacteria upon in petrie dishes |
| fire algae | class of unicellular, marine algae that includes the dinoflagellates |
| dinoflagellates | unicellular marine organisms with whip-like tails and cell walls that resemble armor |
| red tide | an overpopulation of certain dinoflagellates that produce toxins able to kill fish and other marine life nearby |
| bioluminescence | ability that some dinoflagellates have to generate a faint glow of light |
| water | Although algae can be found in places as different as tropical seas, Arctic icebergs, moist tree bark, and boiling hot springs, the thing they all need to live in is ____. |
| binary fission | Because many algae are unicellular, they reproduce in this way (like bacteria reproduce) |
| blue-green algae | these are not true algae at all, but are very simple members of the Monera Kingdom (along with bacteria) |
