Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 25, Problem 23RQ
The production of megaphylls by many different species of plants is an example of.
- parallel evolution
- analogy
- divergent evolution
- homology
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Which of the following is a trait that plants inherited from their common ancestor?
Group of answer choices
Using DNA as their organic molecule for long-term storage of information
plasmodesmata
Cell walls of cellulose
Photosynthesis
All of answers shown are traits that plants inherited from their common ancestor.
Which of the following is a universal feature of the life cycles of land plants?
Genetically identical gametophyte and sporophyte stages
Multicellular haploid and diploid gametes
Morphologically identical gametophyte and sporophyte stages
Alteration of generations between haploid gametophytes and diploid sporophytes
Which of the following observations would provide the strongest evidence that two plants belong to different biological species? *
here are variations in their RNA sequences.
The leaves and flowers show morphological differences.
They produce viable but sterile offspring.
They occupy unique habitats in an ecosystem.
Chapter 25 Solutions
Biology 2e
Ch. 25 - Figure 25.6 Which of the following statements...Ch. 25 - Figure 25.14 Which of the following statements...Ch. 25 - Figure 25.24 Which of the following statements...Ch. 25 - The land plants are probably descendants of which...Ch. 25 - Alternation of generations means that plants...Ch. 25 - Which of the following traits of land plants...Ch. 25 - How does a haplontic plant population maintain...Ch. 25 - What characteristic of Charales would enable them...Ch. 25 - Which one of these characteristics is present in...Ch. 25 - A scientist sequences the genome of Chara, red...
Ch. 25 - Which of the following features does not support...Ch. 25 - Which of the following structures is not found in...Ch. 25 - Stomata appear in which group of plants? Charales...Ch. 25 - The chromosome complement in a moss protonema is:...Ch. 25 - Why do mosses grow well in the Arctic tundra? They...Ch. 25 - A botanist travels to an area that has experienced...Ch. 25 - Microphylls are characteristic of which types of...Ch. 25 - A plant in the understory of a forest displays a...Ch. 25 - The following structures are found on the...Ch. 25 - The dominant organism in fern is the sperm spore...Ch. 25 - What seedless plant is a renewable source of...Ch. 25 - How do mosses contribute to returning nitrogen to...Ch. 25 - The production of megaphylls by many different...Ch. 25 - Why did land plants lose some of the accessory...Ch. 25 - What is the difference between extant and extinct?Ch. 25 - Describe at least two challenges that cactuses had...Ch. 25 - Describe a minimum of two ways that plants changed...Ch. 25 - To an alga, what is the main advantage of...Ch. 25 - In areas where it rains often, mosses grow on...Ch. 25 - What are the three classes of bryophytes?Ch. 25 - Describe two adaptations that are present in...Ch. 25 - Bryophytes form a monophyletic group that...Ch. 25 - How did the development of a vascular system...Ch. 25 - Which plant is considered the most advanced...Ch. 25 - Ferns are simultaneously involved in promoting...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- An alternation of generation life cycle in plants is advantageous because: each generation is morphologically similar. it protects reproductive structures. the gametes fuse in open water. it is haploid-dominant.arrow_forwardIn which of the following plant group the gametophyte is the dominant generation? Group of answer choices Liverworts Flowering plants Angiosperms Dicotsarrow_forwardThe enormous flower stalks of an Agave plant represent which of the following? Agaves are semelparous. Group of answer choices -high investment in organismal growth -A very high investment in reproduction and none in maintenance of the organism -High investment in both reproduction and maintenance of the organism -low investment in reproduction and high investment in maintenance of the organismarrow_forward
- Which of the following evidences would BEST determine whether two plant species share a recent common ancestor? Group of answer choices seed development fossil record DNA sequences habitat distributionarrow_forwardOn this cladogram of the plants, which symbol is located at a node? Charophyte green algae Mosses 呕 $8 Gymnosperms Angiosperms Ferns the banana the barn the beach ball the apple the atom (a nucleus with electrons around it) Clear my selectionarrow_forwardIn regards to flowering plants which of the following would be the best example of a symplesiomorphy and a synapomorphy respectively? Seeds enclosed in an ovary wall, rhizoids Alternation of generation, reproducing via flowers and fruits Archegonia produced in megastrobilli, Chlorophyll a and b Sporophyte dominance, reproduction via sporesarrow_forward
- Salt-tolerant plants such as those found in salt marshes are called: Group of answer choices Angiosperms Halophytes Mangroves Gametophytesarrow_forwardWhich of the following statements regarding plants is not correct? * Diploid plants produce haploid spores by mitosis. Gametophytes are haploid. Flower is the reproductive organ in plants. All plants have a life cycle with alternation of generations.arrow_forwardThe life cycle of many embryophytes includes a generation called a sporophyte and a generation called a gametophyte. O Diploid, Haploid O Triploid, Diploid O Haploid, Diploid O Diploid, Triploidarrow_forward
- In a sentence or two, either support or refute the following statement: The pollen grains of angiosperms are homologous to the spores of bryophytesarrow_forwardWhich of the following referes to the principle of alternation of generations in plants? A life cycle that includes a unicellular haploid stage. A life cycle that includes a multicellular haploid stage. The differences between a tree and a seed. The need for external pollinators. Gemete-producing sporophytes.arrow_forwardThe Riccia is a bryophyte because: It has multicellular sex organs with a sterile jacket and lacks vascular tissues Its sporophyte lacks differentiation and has a single- layered jacket It occurs mostly on land and has more motile sperm It has a heteromorphic alternation of generation and lacks leaves Nextarrow_forward
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