The graphical representation of the combined weight of organisms at each trophic level is a(n) ____
a. Punnett square
b. energy flow chart
c. energy pyramid
d. ecological pyramid
e. biomass pyramid
ANSWER: e
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This type of tissue is rich in extracellular matrix and includes tendon and cartilage.
A. muscle B. connective C. epithelial D. nervous E. hepatic
Select the incorrectly-matched organism and its primary nitrogenous waste product.
A. mammals—urea B. reptiles—uric acid C. most fish—ammonia D. insects—ammonia E. birds—uric acid
All of the following are expected labatory findings of PA except
How would Earth be different without photosynthesis?
A. The amount of oxygen in the atmosphere would be lower. B. Heterotrophs would have few food sources. C. Autotrophs would reply on other chemical mechanisms to make carbohydrates. D. More sunlight would be absorbed and converted to environmental heat. E. All answers are correct.