BIO 101/102 Laboratory Review 10 2 Whar do the stigma, style, and ovary of a now
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BIO 101/102 Laboratory Review 10 2 Whar do the stigma, style, and ovary of a nower collectively form? J What do a flower's ovule and ovary become? I. In what flower structures are pollen grains produced? What kind of angiosperm makes flowers with parts in threes or S. What is the haploid generation of the altemation of gencrations called? 6. What process occurs to forms gametes in plants? . What is the name of the female gametophyte of flowerin 8. What process occurs to form microspores and 9. What transports sperm from the flower's stigma to megaspores in flowering plants? 10. What does the fusion of the polar nuclei and sperm form, and 11. What is the likely pollinator for a night blooming, white flower with 12 What is an example of a simple fruit that has a flesh 13. What term describes a fruit that develops from more 14. What is the name for the part of the embryo a strong scent? y endocarp? one ovary? above the attachment of the cotyledons? Thought Questions 15. Ifa flower has five united petals, five anthers, and is red in color without a scent, is it made eadicot plant, and what is the mostly likely pollinator for its flowers? Justify your choice. by a monocot or a 16. Why is the relationship between a flowering plant and its pollinator considered mutualistic? 17. How do angiosperms increase the likelihood that their embryos are moved away from the parent plant? Why szs moving the embryos away from the parent plant increase the success of the embryo?Explanation / Answer
1. pollen grains are produced in anther.
2. stigma , style and ovary of flower collectively form pistil
3. Ovary becomes fruit and ovules become seeds.
4. Monocot
5. Gametophyte is haploid generation in alternation of generation
6. Mitosis is the process that occurs to form both male and female gametes
7. Female gametophyte is called embryo sac or megagametophyte
8. Meiosis form microspores amd megaspores
9. Pollen tube transports sperm from stigma to embryo sac
10. The sperm cell fuses with two haploid polar nuclei in the center of the gametophyte forms endosperm. The resulting cell is triploid (3n).
11. white bloom only opens at night, so they cannot be pollinated by the usual daytime pollinators, like bees. Because theseflowers open at night, nocturnal creatures, such as moths and bats, are responsible for pollinating night blooming cereus.
12. hesperidium is an example of simple fruit with flesy endocarp
13. aggregate fruit
14. Epicotyl
Thought ques
15. flowers of dicot plants have floral parts multiple of four or five. Hence it is a dicot/ eudicot.
Plants have a number of different means to attract pollinators, with bright, showy colors being one of the most common ways to maximize their visual effect. Since most pollinators fly, the colors of a flower must attract them; therefore, the brighter the flower, the more likely it will be visited. Every nsect has some specific preferences over the colors. bees are attracted to bright blue and violet colors. Hummingbirds prefer red, pink, fuchsia or purple flowers. Butterflies enjoy bright colors such as yellow, orange, pink and red.
16. Relationship between flowering plant and pollinator is mutual in the sense that pollination by insect provides the plant a means of propagation providing the insect reward in terms of nectar or pollen and somtimes occasionlly mating site.
17. Angiosperm ulitize the phenomenon of pollination to embryos waay from parent plant. they do this with the help of scented and attractive flowers to attract pollinators.
The greater distance between a offspring plant and a parent plant means more resources (light water and soil minerals) for each one of them and less competition which in turn means that the species itself will last longer.
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