Biology 122-  Studying evolution- questions given in class today are not for homework.  We wil work on them in class.   ES 120- Continuing with pollution questions.  Quiz on Monday on Nutrient Cycling, Succession and Pollution.   Biology 112- Questions for homework. Questions p. 663  # 1 - 5 (intro animals)Questions p. 667  # 1 - 4 (sponges)Fill out the sponge diagram (fig 26-8)