Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 26, Problem 6RQ
Which of the following structures widens the geographic range of a species and is an agent of dispersal?
- seed
- flower
- leaf
- root
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Chapter 26 Solutions
Biology 2e
Ch. 26 - Figure 26.8 At what stage dees the diploid zygote...Ch. 26 - Figure 26.15 If a flower lacked a megasporangium,...Ch. 26 - Seed plants are. all homosporous mostly...Ch. 26 - Besides the seed, what ether major structure...Ch. 26 - In which of the following geological periods would...Ch. 26 - Which of the following structures widens the...Ch. 26 - Which of the following traits characterizes gym...Ch. 26 - Megasporocytes will eventually produce which of...Ch. 26 - What is the ploidy of the following structures...Ch. 26 - In the northern forests of Siberia, a tall tree is...
Ch. 26 - Which of the following structures in a flower is...Ch. 26 - Pollen grains develop in which structure? the...Ch. 26 - In the course of double fertilization, one sperm...Ch. 26 - Corn develops from a seedling with a single...Ch. 26 - Which of the following plant structures is not a...Ch. 26 - White and sweet-smelling flowers with abundant...Ch. 26 - Abundant and powdery pollen produced by small,...Ch. 26 - Plants are a source of food fuel medicine all of...Ch. 26 - The Triassic Period was marked by the increase in...Ch. 26 - What role did the adaptations of seed and pollen...Ch. 26 - The Mediterranean landscape along the sea shore is...Ch. 26 - What are the four modern-day phyla of gymnosperms?Ch. 26 - Some cycads are considered endangered species and...Ch. 26 - What are the two structures that allow angiosperms...Ch. 26 - Biosynthesis of nectar and nutrient-rich pollen is...Ch. 26 - What is biodiversity and why is it important to an...
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- describe the different method of fruits and seed dispersal specimens : samara of narra , kamantique , talahib , amorseko ,capa dela reyna , cotton ,ipil ipil, coconut , tomato, guava , pechay seeds. procedure : examine closely the different specimen ( fruits and seeds) you gathered and take note of their dispersal charactertics. you can exchange specimens with your groupmates.arrow_forwardCompare the following situations of seed germination of monggo seeds within five days: - exposed to direct sunlight - placed in a shaded area, and - placed in complete darknessarrow_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
- Which of the following is an example of a mutualism? Phoresy (seed transport) Mycorrhizal fungi and roots Mistletoe and oak trees Myrmecophytism (Ant-Plants) AND Mycorrhizal fungi and plant roots are examples of mutualisms. Myrmecophytism (Ant-Plants)arrow_forwardChoose one of the plant like species and explain what type of seed dispersal it would have and why based on the explanation givenarrow_forwardCompare the following situations of seed germination of monggo (Vigna radita) seeds within five days: - exposed to direct sunlight - placed in a shaded area, and - placed in complete darknessarrow_forward
- The 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_forwardImagine that you are a member of a research group conducting research on fruit type and seed dispersal. Your group has submitted a paper to a peer-reviewed journal that addresses the factors that impact fruit type and seed dispersal mechanisms in plants of Central America. The editor of the journal communicates that your paper may be published if you make ‘minor revisions’ to the document.Unit 8 DQ Question: Why is seed dispersal important in the life of plants? What would be the consequences of having seeds that simply fell to the ground underneath the parent tree? (Editor’s note: addressing this question will provide needed background information to the ‘Introduction’ of your paper).arrow_forwardWhich of the following is an example of seed dispersal? Select ALL that apply. Monkeys eating fruit. O A squirrel gathering and burying seeds. Wind blowing parachute-like dandelion fruits. Wind blowing pollen grains of pine trees.arrow_forward
- The meristem in grasses is at the base of the stem (rather than the apex). This positioning of the meristem is an adaptation for selective pressures imposed by:arrow_forwardWhich of the following is true of pine pollen/pollination? The male gametophyte is the fully developed seed Many pollen grains have "air bladders" Pines are wind pollinated Pollen grains are composed of one cellarrow_forwardImagine that you are a member of a research group conducting research on fruit type and seed dispersal. Your group has submitted a paper to a peer-reviewed journal that addresses the factors that impact fruit type and seed dispersal mechanisms in plants of Central America. The editor of the journal communicates that your paper may be published if you make ‘minor revisions’ to the document. Why is seed dispersal important in the life of plants? What would be the consequences of having seeds that simply fell to the ground underneath the parent tree? Please be detailed as possiblearrow_forward
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