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A: Unlike gymnosperms, angiosperms are the flower-bearing plants. Angiosperms are vascular plants that…
Q: Sketch a seed of a gymnosperm and of a monocot. Label the embryo, seed coat, and nutritive tissue…
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Q: Which gymnosperm family has fleshy, drupaceous appearing fruits?
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Q: True or false: seeds are produced by both gymnosperms and angiosperms.
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Q: What is the evolutionary importance of the fruits for the angiosperms?
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A: Introduction Angiosperms and gymnosperms are seed-bearing plants that share some characteristics.…
Q: Describe the five characteristics of seed plants. Be specific.
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A: Seed plants, as the name suggests, forms seeds during reproduction. An embryonic plant protected in…
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Q: In Some of the fruits, the floral parts are persistent even up to maturity. Identily these parts.…
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Q: Know examples of gymnosperm families that have the following characteristics: fleshy, drupaceous…
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Q: Which one of these is not a true fruit?
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Q: label the branching frond and describe the branching pattern of the habit of galaxaura
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A:
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Q: What are the similarities and differences between between cones and flowers?
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Q: Is pollination and fertilisation necessary in apomixis? Give reasons.
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Q: Know examples of gymnosperm families that have the following characteristics: A. Only opposite…
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Q: Draw and label the cross-section of the ovary of a gumamela flower.
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Q: Explain the specific morphological, anatomical and reproductive features of cycads that make them…
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- Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.The three main parts of a typical mature eudicot seed are the _______ . a. pollen grain, egg, and seed coat b. embryo, endosperm, and seed coat c. megaspores, microspores, and ovule d. embryo, cotyledons, and seed coatIn flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microspores
- Only angiosperms produce_______. a. pollen c. fruits b. seeds d. all of the aboveIn an angiosperm life cycle, sexual reproduction includes: meiosis within the male gametophyte to produce sperm. meiosis within the female gametophyte to produce eggs. meiosis within the ovary to produce megaspores. fertilization leading to development of microspores. fertilization leading to development of megaspores.Sketch a seed of a gymnosperm and of a monocot. Label the embryo, seed coat, and nutritive tissue (giving its specific name). Indicate the ploidy of each structure (haploid, diploid, or triploid).
- In some of the fruits, the floral parts are persistent even up to maturity. Identify these parts. Consider Psidium guajava and Oryza sativa. What are the structures attached at the upper part of the two fruits.The following traits are shared by some members of the ANA Grade and Magnoliids, EXCEPT: a. monosulcate pollen b. one seed cotyledon c. spiral arrangement of perianth d. absence of vessel in wood e. numerous, free carpels (apocarpous)label the branching frond and describe the branching pattern of the habit of galaxaura
- The stamens represent: (a) microsporangia (b) male gametophyte (c) male gametes (d) microsporophylls.The immature male gametophytes of pine are called (a) ovules (b) stamens (c) seed cones (d) pollen grains (e) polar nucleiDescribe the orders under the gymnosperms (Cycadales, Ginkgoales, Coniferalesn and Gnetales) in terms of plant habit, reproductive type (monoecius/dioecius) leaf type, leaf shape, seed size/shape, special seed characteristics, cone morphology and other distinct features.
