Cholesterol dissolved in the blood is carried by
a. albumin.
b. high-density lipoproteins.
c. low-density lipoproteins.
d. triglycerides.
e. both high-density and low-density lipoproteins.
Answer: e
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Which of the following statements about chytrids and basidiomycetes is incorrect?
A. Chytrids have a well-developed mycelium, whereas basidiomycetes have a welldeveloped fruiting body. B. Chytrids are aquatic, whereas basidiomycetes are terrestrial. C. Chytrids have flagellated spores, whereas basidiomycetes do not. D. Chytrids lack well-defined hyphae, whereas basidiomycetes have well-defined hyphae. E. Chytrids lack a heterokaryotic phase, whereas basidomycetes have a heterokaryotic phase.
When calculating leaf litter decomposition, what must be taken into account?
A) carbon uptake by leaf B) mass added by decomposers like fungi C) waste from earthworms D) water reuptake by the tree
Which of the following is a sink?
a. Growing fruit b. Flower c. Apical meristem d. New leaf e. Mature leaf f. Root in the middle of the growing season g. Root at the start of the growing season
In an ecosystem, energy
A) cycles along with chemical nutrients.
B) typically flows from consumers to producers to decomposers.
C) typically flows from producers to a series of consumers.
D) comes ultimately from bacteria.