#Question id: 9236
#Unit 9. Diversity of Life Forms
Which of the following outcomes is caused by excessive nutrient runoff into aquatic ecosystems?
#Question id: 3484
#Unit 11. Evolution and Behavior
Modern behavioral concepts relate the cost of a behavior to its benefit. Under which relationship might a behavior be performed?
A) cost is greater than the benefit
B) cost is less than the benefit
C) cost is equal to the benefit
#Question id: 402
#Unit 1. Molecules and their Interaction Relevant to Biology
If the DG'° of the reaction A -> B is –40 kJ/mol, under standard conditions the reaction:
#Question id: 11292
#Unit 10. Ecological Principles
In an pond ecosystem the _____ is always greater than the _____ .
(a) number of primary producers . . . number of secondary consumers
(b) biomass of secondary consumers . . . biomass of primary consumer
(c) assimilation efficiency of primary consumers . . . assimilation efficiency of secondary consumers
(d) biomass of primary producers . . . biomass of primary consumers
#Question id: 814
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following uncommon amino acids are not found in the proteins?