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 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.
In which of the following plant group the gametophyte is the dominant generation?
Group of answer choices
Liverworts
Flowering plants
Angiosperms
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Which of the following evidences would BEST determine whether two plant species share a recent common ancestor?
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seed development
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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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- On 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_forwardSalt-tolerant plants such as those found in salt marshes are called: Group of answer choices Angiosperms Halophytes Mangroves Gametophytesarrow_forward
- Plant species with male and female flowers borne on separate plants are termed monocots monoecious dicots dioeciousarrow_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_forwardWhich plant category is predictably heterosporous? non-vascular plants seedless vascular plants seeded vascular plants all are heterosporousarrow_forward
- Which 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_forwardFigure 25.6 Which of the following statements about plant divisions is false? Lycophytes and pterophytes are seedless vascular plants. All vascular plants produce seeds. All non-vascular embryophytes are bryophytes. Seed plants include angiosperms and gym nosperms.arrow_forwardFigure 1.7 Taxonomic classification of five species that are related at different levels. Each species has been assigned to ever more inclusive groups, or taxa: in this case, from genus to domain. From the left, Joaquim Gaspar; kymkemp.com; Sylvie Bouchard/Shutterstock.com; Courtesy of Melissa S. Green, www.flickr.com/photos/henkimaa; Grodana Sarkotic. Figure It Out: Which of the plants shown here are in the same order?arrow_forward
- Compare and contrast the alternation of generations in pines and angiosperms. This must be very detailed and include all major structures and process involves. Be sure to include when the plants are haploid or diploid. You can use a list as long as order is clear. Be sure to clearly write out structure and processes and indicate which things are the same and which are different.arrow_forwardYou take a walk in Forest Park (Portland, OR) and see a sword fern growing along the trail. You are looking at a seed plant a sporophyte a nonvascular plant a gametophytes a flowering plantarrow_forwardPollination is the act of: transferring pollen grains from the male to the female part of the flower. fusing of gametes. developing a gametophyte from spores. developing a sporophyte from a zygote.arrow_forward
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