Plants that contain both vessel elements and tracheids for water transport ________.
A. Have an evolutionary disadvantage
B. Conduct water and minerals more efficiently
C. Are ancestors of modern plants
D. Are gymnosperms and ferns
E. Are typically small
Answer: B. Conduct water and minerals more efficiently
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Answer the following statement true (T) or false (F)
A central vacuole of a mature plant cell
A. stores genetic information. B. produces protein. C. produces energy from nutrients. D. produces turgor pressure. E. produces mRNA.
If there are 1,000 metric tons of producers in an ecosystem, about how much of the energy in those producers will be available to secondary consumers in this ecosystem?
A) 100% B) 50% C) about 10% D) about 1% E) about 0.1%
Histoplasma capsulatum
A. is an opportunistic fungus. B. produces arthrospores. C. produces capsules. D. produces yeast cells with a "steering wheel" formation. E. is an intracellular parasite.