Bryophytes differ from other land plants in that they do not have
a. lignified water transport tissue.
b. protected sporophyte embryos.
c. spores.
d. a gametophyte generation.
e. a diploid generation.
A; Bryophytes have adapted to land in many ways, but, unlike other land plants, they do not have lignified transport tissues. Both groups have protected embryos (choice b), spores (choice c), a haploid gametophyte generation (choice d), and a diploid sporophyte generation (choice e).
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Which of the following types of cellular activities can be a response to cell signaling?
A. Cell division is triggered. B. Gene expression patterns are changed. C. Enzyme activity patterns are changed. D. Cell signals are released to communicate with other cells. E. All of these choices are correct.
Features that contributed to success on land include a(n) __________ that protects spores. Fill in the blank(s) with the appropriate word(s)
Which of these are not ways that the dromedary camel has adapted to life in desert heat?
What will be an ideal response?
The inner wall of the optic cup becomes the ____ while the outer wall becomes the ____.
A. Cornea; Lens B. Iris; Lens C. Neural Retina; Pigment Epithelium D. Optic Nerve; Neural Retina E. Pigment Epithelium; Ciliary Body