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 21RQ
What seedless plant is a renewable source of energy?
- club moss
- horsetail
- sphagnum moss
- fern
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Fern gametophytes are;
small, green and photosynthetic
Large brown and not photosynthetic
Large well developed, and have true roots
The purpose of stomata found on land plants is to allow them to;
release carbon dioxide and absorb oxygen
absorb nutrients from their environment
form gametophytes
release oxygen and absorb carbon dioxide
What structure is indicated with the letter A in the image below?
A
O Gametophytes
O Sporangia
O Sporophytes
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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- Select all of the following that are true about the fern gametophyte. smaller than the sporophyte site of pollen production multicellular O produces gametesarrow_forwardIn which of the following plant group the gametophyte is the dominant generation? Group of answer choices Liverworts Flowering plants Angiosperms Dicotsarrow_forwardI took this picture of this plant using my phone. The thin brown stalks that you see are. approximately 2 centimeters tall (a little less than 1 inch). The flat green leaves of this plant represent: The sporophyte generation The gametophyte generationarrow_forward
- In which of the given plants, both sporophyte and gametophyte are multicellular and independent? Chlamydomonas Equisetum Fucus Pinusarrow_forwardI have parallel leaf veins, flower parts in 3 and a fibrous root system. What am I? Group of answer choices A Monocot A Eudicot A Moss A Gymnospermarrow_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_forward
- Which part of a byrophyte plant produces eggs? Gametophyte or Sporophytearrow_forwardMany of the adaptations of the Bryophytes and Seedless Vascular Plants resulted in? the production of more sporophytes the production of more spores the production of more gametes the production of more successful zygotesarrow_forwardWhat structure is indicated with the letter B in the image below? A Sporophytes O Gametophytes O Sporangiaarrow_forward
- The 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_forwardMoss gametophytes are; small and brownish small, green and photosynthetic Moss do not have gametophytesarrow_forwardWhich of the following statements false as it relates to the fern life cycle? Ferns are sporophyte dominant The fern gametophyte produces both sperm and egg cells The fern gametophyte has rhizoids Ferns are not dependent on water for fertilizationarrow_forward
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