In the evolution of vascular plants, there is a trend toward the: A above-ground parts becoming structurally similar to the below-ground parts. progressive reduction of the sporophyte. sporophyte becoming nutritionally dependent on the gametophyte. Dincreased protection of the gametophyte by the sporophyte. production of seeds in all lineages

In the evolution of vascular plants, there is a trend toward the: A above-ground parts becoming structurally similar to the below-ground parts. progressive reduction of the sporophyte. sporophyte becoming nutritionally dependent on the gametophyte. Dincreased protection of the gametophyte by the sporophyte. production of seeds in all lineages

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter28: Seedless Plants

Section: Chapter Questions

Problem 1TYK: Which of the following is not an evolutionary trend among plants? a. developing vascular tissues b....

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QUESTION 3 Describe the key differences and similarities in the sporophytes of vascular land plants in comparison with those of non-vascular land plants
What do you think the evolutionary advantage of long sporophyte generation than gametophyte generation in higher forms of plants?
QUESTION 6 In bryophytes, the gametophyte is O the dominant generation O dependent on the sporophyte embedded within sporophytic tissues O all of the above O none of the above
n the bryophytes, the main vegetative structures (such as the leaves of moss) are: Question 23 options: Haploid cells of the gametophyte. Haploid cells of the sporophyte. Diploid cells of the sporophyte Diploid cells of the gametophyte
Question 36 Which of the following does not match one of the 4 main plant groups with a terrestrial adaptation that first appeared in that group - in other words, the ancestral plant did not have the adaptation. Recall that all species can have adaptations that carry over from their ancestors, and are not "new" to the group! O angiosperm - pollen bryophytes - waxy cuticle O Bymnosperms - seeds O seedless vascular - vascular tissue
All of the following are trends in plant evolution except; A trend towards better water conducting tissue A trend towards Sporophyte dominance and away from gametophyte dominance A trend towards seeds and away from free spores A trend away from heterospory and towards homospory
QUESTION 2 Which of the following is true of the moss life cycle? The male and female structures are found on the same individual gametophyte in many species The egg is produced in the antheridium. The gametophyte is dependent on the sporophyte. The sperm are carried to an egg by the wind. The spore produces the sporophyte.
Question 19 Which of these would NOT be found in a seed? O a haploid embryo. triploid endosperm one or two cotyledons root
1. Of the plant groups included in Figure 1-1, which taxes have seeds? 2. Are the angiosperms more closely related to the bryophytes or the gymnosperms? 3. Explain your answer to question #2 4. Circle the node in Figure 1-1 that indicates the most recent common ancestor of gymnosperms and angiosperms. 5. List the characters that differentiate monocots and eudicots ( two groups of angiosperms) as seperate branches on the phylogenetic tree. In addition, give several examples of each.
Which of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generations
Which of the following is not an evolutionary trend among plants? a. developing vascular tissues b. becoming seedless c. having a dominant diploid generation d. producing nonmotile gametes e. producing two types of spores
In addition to having simple vascular tissue, seedless vascular plants differ from all bryophytes in that: a. they do not require free water for fertilization. b. the sporophyte generation is dominant. c. most do not require a moist, humid, or shaded habitat. d. the group is much more diverse, with many more speciesoverall. e. most have a feathery or flattened thallus.