1. A difference between seedless vascular plants and plants with seeds is that? A. the gametophyte generation is conspicuous in the seedless plants, whereas the sporophyte is dominant in the seeded plants. B. the spore is the agent of dispersal in the first, whereas the seed functions in dispersal in the second. C. the gametophyte is photoautotrophic in seedless plants but dependent on the sporophyte generation in the other group. D. the embryo is unprotected in the seedless plants but retained within the female reproductive structure in the other group.
PLEASE ANSWER NUMBER 1,2,3, and 4 QUESTIONS: (with brief explanation only)
1. A difference between seedless vascular plants and plants with seeds is that?
A. the gametophyte generation is conspicuous in the seedless plants, whereas the sporophyte is dominant in the seeded plants.
B. the spore is the agent of dispersal in the first, whereas the seed functions in dispersal in the second.
C. the gametophyte is photoautotrophic in seedless plants but dependent on the sporophyte generation in the other group.
D. the embryo is unprotected in the seedless plants but retained within the female reproductive structure in the other group.
2. Biologist hypothesize that the first land plants had a low, sprawling growth habitat. Which of the following is part of the logic behind that theory?
A. The low sprawling growth gave them greater surface area exposed to light for photosynthesis.
B. This was prior to plants’ development of adaptations to defend themselves from predators, so by growing low they were out of sight of most predators.
C. The wind speed was much greater at that time that it is now, and pushed the plants over.
D. To obtain water, they had to keep their tissues in direct contact with moist soil.
3. What adaptation allowed the seed plants to lose their dependence on water to accomplish fertilization?
A. gametophytes
B. pollen grains
C. sporophytes
D. seed
4. Xylem and phloem are found in?
A.
B. only the gametophytes of vascular plants.
C. the vascular plants, which include ferns, conifers and angiosperms.
D. only the vascular plants with seeds.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
