Concept explainers
To review:
The killing of fish even in the absence of toxic wastes in the sewage and the method by which the mortality rate of fish could be reduced on the accidental dumping of raw sewage in the water.
Introduction:
The bacteria, present in the sewage water or lakes, perform
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EBK BIOLOGY
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- Green Algae, as a group, is actually paraphyletic with one subgroup more closely related to higher plants than the other. Which of the following green algae groups is more closely related to higher plants: a. Charophyceans b. Chlorophyceans c. Rhodophyta d. Xanthophyceansarrow_forwardCertain toxic terpenoids in this group is thought to deter herbivory but may also have some anti-tumor activity? a. green algae b. brown algae c. red algae d. golden algae e. none of thesearrow_forwardIn the cellular slime molds, the most common phase is: a. plasmodium b. pseudoplasmodial c. single cells as myxamoebae d. moundingarrow_forward
- Which of the following descriptive terms does not describe Hydrodictyon? a. colonial b. nonmotile c. 1 large reticulated chloroplast in each cell d. all of these describe Hydrodictyonarrow_forwardWhich of the following does not apply to Chara? a. "stoneworts" b. isogamous c. calcified walls d. apical growth with an axis and branchesarrow_forwardtell us about one time when you went the extra mile when it would be acceptable to perform the bare minimum. why did you exert the extra effort and what was the outcome?arrow_forward
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