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 22RQ
How do mosses contribute to returning nitrogen to the soil?
- Mosses fix nitrogen from the air
- Mosses harbor cyanobacteria that fix nitrogen
- Mosses die and return nitrogen to the soil
- Mosses decompose rocks and release nitrogen.
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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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- The nutrition of some plants is enhanced by a mutually beneficial association between a root and a fungus. The association is known as _________. a. root nodule c. root hair b. mycorrhiza d. hyphaarrow_forwardWhy do mosses grow well in the Arctic tundra? a. They grow better at cold temperatures. b. They do not require moisture. c. They do not have true roots and can grow on hard surfaces. d. There are no herbivores in the tundra.arrow_forwardFigure 25.14 Which of the following statements about the moss life cycle is false? The mature gametophyte is haploid. The sporophyte produces haploid spores. The calyptra buds to form a mature gametophyte. The zygote is housed in the venter.arrow_forward
- Cells of Thecontain chloroplasts epidermis vascular tissue stomata mesophyllarrow_forwardWhat are the characteristics of mycorrhizal fungi that make them unique from tree roots in their ability to obtain nutrients and water? They have a higher surface area for absorbing nutrients and water They have enzymes capable of acquiring inorganic nutrients from organic matter They grow faster than tree roots They are carbon based They are much smaller than tree rootsarrow_forwardRock spikemoss / Selaginella rupestris Why might this moss re-hydrate much quicker than a larger plant?arrow_forward
- Plants that grow in saline water are known as : hydrophytes thallophytes halophytes mesophytesarrow_forwardEcologists often attempt to introduce new plants to restore degraded land. In an arid climate, scientists recommend introducing plants with arbuscular mycorrhizae. How would the mycorrhizae increase the plants’ survival compared to plants without mycorrhizae?arrow_forwardWhy are the central cells of the moss not called vascular tissue even it is also specialized in transporting water?arrow_forward
- Why are bryophytes considered as primary source of water?arrow_forwardThe picture below is of a moss growing on my roof. It shows both the gametophyte and the sporophyte phases of the life cycle. Make a sketch and label which part of the moss is the gametophyte and which is the sporophyte. (Alternatively, you can find a live moss with both phases and take a picture, label it and upload here.) Label the seta, capsule and calyptra of the sporophyte.arrow_forwardCan bryophytes reduce the rate at whichkey nutrients are lost from soils?arrow_forward
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