____ contains double bonds.
A. CH4
B. H2O
C. CO2
D. NH3
C. CO2
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Which is most closely related to the hagfishes?
A. Lancelets B. Tunicates C. Lampreys D. Cartilaginous fishes
Endotoxins cause a variety of systemic effects including ____
a. Diarrhea b. Inflammation c. Hemorrhage d. Increased blood pressure e. Fatal shock condition f. Fever g. Airway constriction
The ________ projection illustrates saccharides as linear, whereas the ________ projection suggests the spatial relationships of saccharides
Fill in the blank with correct word.
Ponds have pondweeds attached to the bottom, insect larvae that feed on the pondweeds, fish that eat the insects, and birds like great blue herons that eat the fish. In this ecosystem which of the following would have the largest total biomass (all individuals of the category)?
A. large fish B. small fish C. insects D. great blue herons