Intravasion refers to:
a. ability of a cell to move out of a blood vessel
b. ability of a cell to move into of a blood vessel
c. ability of a cell to move
d. all of the above
Ans: b. ability of a cell to move into of a blood vessel
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White, narrow-tubular, highly fragrant flowers are most likely pollinated by
a. moths. b. butterflies. c. hummingbirds. d. bees. e. flies.
If nondisjunction occurs in meiosis II during gametogenesis, what will be the result at the completion of meiosis?
A) All the gametes will be diploid. B) Two gametes will be n + 1, and two will be n - 1. C) One gamete will be n + 1, one will be n - 1, and two will be n. D) There will be three extra gametes. E) Two of the four gametes will be haploid, and two will be diploid
What is the advantage of a seed requiring a cue to break dormancy
A. The cue indicated the environmental conditions are likely to support seedling growth B. The cue ensures the seed has grown to a large enough size during dormancy C. The cue indicated the appropriate pollinator is present to fertilize the seed D. The cue ensures the seed's fruit has fully ripened
In the graphs above, the x axis represents _________________ and the y axis represents _________________.
a) number of mates ; number of offspring b) number of offspring ; fitness c) temperature ; number of males or females d) age class ; number of offspring e) number of offspring ; number of mates