If the sunflowers represent 2400 calories, how many calories would be lost as heat as you
move from the first to the second trophic level?
a. 240
b. 2160
c. 90
d. 10
B
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The sepals of a flower make up the ____
a. receptacle b. corolla c. carpel d. calyx e. filament
Sea otter populations were reduced by overhunting, allowing an overgrowth of one of their prey animals, the ____,
which subsequently consumed and decimated ____.populations.
a. crabs; shrimp b. abalone; algae c. sea urchin; kelp d. harbor seals; fish e. crab; kelp
Plasma will make up ________% to ________% of the blood volume
a. 40, 50 b. 60, 70 c. 50, 60 d. 80,90 e. 20, 30
The Embden-Meyerhof pathway is very important in the catabolism of glucose and other sugars in the cell. The first step of this process is the conversion of glucose to glucose-6-phosphate. This can be carried out by a hexokinase enzyme (via substrate-level phosphorylation) or by ____
a) ABC transport b) group translocation c) ATP synthase d) ligase e) polymerase