Stern's Introductory Plant Biology
14th Edition
ISBN: 9781259682742
Author: James Bidlack, Shelley Jansky, Kingsley R Stern
Publisher: McGraw-Hill Education
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Chapter 20, Problem 2DQ
Do the multicellular sex structures of plants give them any advantages over other organisms with unicellular sex structures?
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- What is a sporophyte? A diploid plant that undergoes meiosis A haploid plant that produces gametes via meiosis A diploid plant that produces gametes via mitosis A haploid plant that undergoes mitosisarrow_forwardIn embryophytes, especially spermatophya, what is the difference between a "sporocyte" (e.g., megasporocyte) and the actual spore (e.g., megaspore)? a) Meiosis: Megasporocyte is still diploid, megaspore haploid b) Mitosis, number of nuclei: Megaspore has eight cell nuclei, megasporocyte only one c) Cytokinesis: Megasporocyte has only one cell, Megaspore can have several (as endosporic gametophyte). d) None: the two terms are synonymous. e) Meiosis: Megaspore is still diploid, megasporocyte haploidarrow_forwardWhich of the following is TRUE for animal life cycle, but not for plant life cycle? O gametes are formed by mitosis O gametes are formed by meiosis O unicellular gametes O multicellular gametophytes O spores are formed by meiosis « Prevjousarrow_forward
- Draw a of alternation of generation of Mnium, a Genus of Mosses. Label all structures. Include both haploid and diploid structures. Draw the structures before fertilization and after fertilization. Indicate when fertilization occurs and how. Be sure to show the cycle from one generation to the next.arrow_forwardWhat are the club shaped male sex organs in mosses called?arrow_forwardDescribe the asexual reproduction in Albugoarrow_forward
- Describe the similarities and differences in the sexual reproduction of the following: Moss and fern.arrow_forwardDraw a simple diagram illustrating alternation of generations in plants, including the sporophyte and gametophyte generations, spores, gametes (eggs and sperm), meiosis, and fertilization. Be sure to indicate whether each generation or kind of cell is haploid or diploid.arrow_forwardHow do Fungi and invertibrates undergo fertilization? Are there certain conditions that must exist for fertilization to occur?arrow_forward
- In ferns, which of these would be formed by meiosis inside a sporangium? haploid spores diploid spores diploid zygote haploid spermarrow_forwardWhat is unique about the cells of cryptomonads and those of haptophytes?arrow_forwardWhat are the features and structures related to embryonic dependency in plants? What is a gametangia? What is the different between archegonia and antheridia? What is the apical meristem and why is that an important feature in plants?arrow_forward
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Plant Reproduction in Angiosperms; Author: Amoeba Sisters;https://www.youtube.com/watch?v=HLYPm2idSTE;License: Standard YouTube License, CC-BY