Postlab: Bryophytes, Seedless Vascular Plants &Gymnosperms1. What is the conspicuous form of the bryophytes? Is this form haploid or diploid?2. The part that produces the male gametes is called the....?3. The part that produces the female gametes is called the...4. Spores are produced by which cell division process?5. What is the conspicuous form of the seedless vascular plants? Is it haploid or diploid?6. What are microspores? Where are they produced in gymnosperms?7. Megaspores give rise to which structure in gymnosperms?8. How are most gymnosperms pollinated?9.In gymnosperms, the material that nourishes the embryo derives from what tissue?10. How can you visually differentiate a male from a female cone in pines?

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Answered: Postlab: Bryophytes, Seedless Vascular…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter36: Reproduction And Development In Flowering Plants

Section: Chapter Questions

Problem 6TYK

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Corn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely: a gymnosperm a monocot a eudicot a basal angiosperm
Multiple choice 1. In a plant species that is homosporous, antheridia and archegonia are borne on? A. a single gametophyte B. separtate gametophytes C. single sporophyte D. separate sporophytes 2. Which of the following is correct in the angiosperm? A. A female gametophyte develops from the outer layer of the ovule while; the fruit develops from the outer wall of the ovary B. A pollen tube develops from the outer layer of the ovule while; a carpel develops from the outer wall of the ovary C. A seed coat develops from the outer layer of the ovule while; the fruit develops from the outer wall of the ovary D. A seed develops from the outer layer of the ovule while; an embryo develops from the outer wall of the ovary Fill in the blanks. 1. In the female gametophyte of the ovary, one egg is associated with the __________ which is located at the __________ end.
what are the flaws ? Plants reproduce in a pattern known as alternation of generations. A haploid gametophyte produces gametes through mitosis. The gametes fuse to form a zygote, which then grows into a diploid sporophyte. The sporophyte produces spores through meiosis, which then grow into a gametophyte and start the process over. Flowers are how angiosperms reproduce. A whorl of sepals (corolla) is at the base of the flower, followed by a whorl of petals (calyx). Inside the flower is a female organ known as a carpel and it is made of a stigma, style, and ovary. The male organ is the stamen and it is made of an anther and filament. Pollen being transferred to the style is known as pollination. Once the pollen travels down the style and reaches the egg, fertilization happens when sperm meets egg. Then, the fertilized egg and surrounding tissue develops into a seed. A seed is protected by a seed coat and contains endosperm and an embryo. The endosperm grows into a new plant while…
TOPIC: SEEDLESS VASCULAR PLANTS IDENTIFICATION 1. The dominant stage in the life cycle of ferns, horsetails and whisk ferns. 2. This refers to a moss-like vascular plant with prostrate stems and has strobili that bear two types of spores. 3. These are cell wall impregnations in the endodermis of higher plants that enables the route of water and nutrients to flow via the plasma membrane.
TOPIC: SEEDLESS VASCULAR PLANTS IDENTIFICATION 1. A complex phenolic compound that is secreted and deposited in the secondary cell wall that provides strength and rigidity to plant organs. 2. A modified dichotomous branching of the apical meristem where one is more dominant than the other. 3. An underground swollen stem in quillworts.
LABORATORY ACTIVITY ANGIOSPERMS-MONOCOTS: ALISMATALES, ASPARAGALES, LILIALES, ARECALES AND POALES I. OBJECTIVES After the activity, the student should be able to, i) describe the monocots, i) enumerate the orders comprising the monocots and ii) mention the economic importance of several monocots II. MATERIALS Live or herbarium specimen of monocots: Alismatales, Asparagales, iliales, Arecales and Poales; reproductive structures of any representative species for each group, any reference materials for angiosperms monocots, internet, newspapers, pencil, oslo paper, erasers, coloring materials III. INTRODUCTION The monocots are characterized as having parallel veins, scattered vascular bundles, and a single cotyledon. Alismatales, Asparagales, Liliales, Arecales and Poales are important orders. Many are food and oil sources and some are ornamentals. The order Poales includes the families Cyperaceae, Eriocaulaceae, Juncaceae, Poaceae, Restoniaceae, Sparganiaceae, Typhaceae…
Multiple choice 1. Which of these is not an adaptation for reproductive success in an angiosperm? A. fruits with brightly colored skin B. fleshy fruits C. sweet-tasting seeds D. digestible seed coats 2. Which of the following describes or is a function of the endosperm? * A. maybe absorbed by the cotyledon in the seeds of dicot B. is usually a triploid tissue C. is digested by enzymes in monocot seeds following hydration D. all of the above Fill in the blanks 1. In the corn seed, the _________ refers to the thin layer of fused __________, mesocarp and endocarp. *
Which of the following structures in a flower is not directly involved in reproduction? the style the stamen the sepal the anther
Match the terms with the most suitable description. ____ ovule a. pollen tube together with its contents ____ receptacle b. consists of seven cells, one with two nuclei ____ double fertilization c. after fertilization, develops into a seed ____ anther d. embryonic shoot ____ plumule e. pollen sacs inside ____ mature female gametophyte f. swollen stem; base of flower ____ mature male gametophyte g. formation of zygote and first cell of endosperm
Discuss Concepts Compare the size, anatomical complexity, and degree of independence of a Douglas fir female gametophyte and a dogwood female gametophyte. Which one is the most protected from the external environment? Which trend(s) in plant evolution does your work on this question bring to mind?
Explain the sequence of events in a flowering plant that begins with formation of a pollen tube and culminates with the formation of a diploid zygote and the 3n cell that will give rise to endosperm in a seed.
Describe the two-stage lifecycle of plants: the gametophyte stage and the sporophyte stage.

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