The Living Things of the Earth unit i 



Fk;. ioo l)rawmfi,s of several kinds of fresh-water algae. Hundreds of kinds of algae 

 are found on soil and in sivan/ps, lakes, ditches, and streams. Algae are the principal food 

 of many kinds of small water animals, and these animals are the food of larger animals. 

 The names of the algae are: (A) Stigeoclonium, (B) Chaetophora, (C, D) Oedogo- 

 vimn, (E) Anahaena, (F) Micrasterias, (G) Euastrum, (H) Staiirastruni, (I) Penimn, 

 (J) Scytonema, (K) Amphiplc/ira, (].) Stictodiscns, (AI) Suriella. (redrawn by per- 

 mission KROM Textbook of Botany, iranskau, sa.mpson, and tiikany, harper and 



HROTIIERS) 



