Cavitation can occur when what happens?
A. Clouds block sunlight shining on the leaves.
B. Root pressure pushes water up the xylem.
C. Gas bubbles expand inside a tracheid or vessel member.
D. Starch grains block the sieve tubes.
E. Stomata get stuck closed.
Answer: C
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Which one of the following terms is not associated with fungi?
A) conidia B) hyphae C) mycelium D) pellicle
Animals that select mates that are phenotypically similar will have ________ when compared with Hardy-Weinberg predictions.
A. less natural selection B. more mutations C. more heterozygotes D. fewer homozygotes E. more homozygotes.
Nitrogen-fixing bacteria convert gaseous nitrogen into:a
amino acids. b. phosphate. c. ammonia. d. nitrite. e. nitrate.
Which person is most likely using implicit memory?
a. Sylvia, who recalls the cranial nerves for a test b. Connor, who recognizes the face of someone in a crowd c. Alexis, who remembers the smell of her grandmother’s kitchen d. Fabio, who tries to remember his father’s birthday e. Dan, who plays the guitar