Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 56.3, Problem 2CS
Core Skill: Connections Look back at Figure 40.21. What is unusual about the reproductive strategy of the mother of thousands plant?
Figure 40.21 Asexual reproduction via somatic embryogenesis. The leaves of this Kalanchoë plant bear small plantlets around the edges. When mature, these plantlets drop off and, under the right conditions, grow into new plants.
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Students have asked these similar questions
Lab 13 (a)- Vascular Plant Reproduction
Can you recognize if a cone is male or female?
If provided actual flowers or images of flowers, can you determine if they are from a monocot or
dicot plant (based on the expected patterns of petals)
Can you identify key parts of a flower (sepals, petals, stamen, pistil, anther, filament, stigma,
style, ovary, ovules)
Difference between perfect & imperfect flowers?
If a plant produces flowers, is it a gymnosperm or angiosperm?
What are the names and functions of the 2 cells within a pollen grain?
During double fertilization, what 2 structures are fertilized? What does each fertilized structure
become?
Student Preparation
Read text Chapter 16, pages 366-390.
Figure 1: Alternation of Generations
Mitosis
Spores 00
-+-+
1111
Meiosis
One cell from
Sporophyte
undergoes meiosis
Gametophytes
Haploid multicellular
individuals
1n
2n
- Gamete + Gamete
Fertilization
Sporophyte
Diploid multicellular
individual
1. Are these thalli the gametopytes or sporophytes?
2. Are the thalli haploid or diploid?
Mitosis
Exercise I Marchantiophyta: The Liverworts
Examine with the dissecting microscope the thalli of the relatively large, dichotomously
branching gametophytes of Marchantia
Zygote
3. Are any gemma cups containing gemmae present on your plant?
4. What is the function of gemmae?.
78
Examine carefully with the dissecting microscope the additional liverworts that are
available. Note the dichotomous branching, the midrib-like region, and the air pores on the
upper (dorsal) surface.
5. How is dichotomous branching different from the branching pattern seen in higher
plants?
O
145x3
Activity_BIO 100
(Slide 2 of 3: Pollination vs Fertilization)
Luis Carlos Ahuage
CC
Using Doodling, mark-- using the two flowers-- your explanation for the differences between Pollination and Fertilization
tip: be sure not to cause self-fertilization in your flower!
Stigma
-Stigma
Anther
Carpel
Anther
Carpel
Stamen
Stamen-
Style
Ovary
Ovule
Style
Ovary
Ovule
Filament
Filament
Petal
Petal
(petals = corolla)
(petals corolla)
%3D
Sepal
(sepals = calyx)
Receptacle
Sepal
(sepals = calyx)
Receptacle
Peduncle
Peduncle
You have 8 minutes TOTAL to complete 3 slides. Do not save your recording yet, MOVE TO THE NEXT SLIDE...
0:00 / 0:00 O 1
nere to search
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Chapter 56 Solutions
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- Compare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical to parent? A) A B) B C) C D) D use photo Not Gradedarrow_forwardwhat 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…arrow_forward4th Quarter Activity 1: Draw atleast 6 examples of Plants which reproduced Sexually and Asexually. Label its name and parts then color your work if needed. The criteria in making your activity is given below. 3 Plants that Reproduced Asexually 3 Plants that Reproduced Sexually CRITERIA PERCENTAGE Creativity 30%arrow_forward
- Direction: Answer the following questions that pertain to the processes involved in plant and animal reproduction. Write your answer on a separate paper. 1. Male and female animals have a pair of gonads. What advantages does it provide to the species? 2. How do flowering plants reproduce asexually and sexually? 3. How do animals reproduce? 4. How do humans reproduce? 5. How can the use of hydroponics help increase the amount of food that can be grown on Earth?arrow_forwardDirection: Explain the following in paragraph form consists of at least five sentences for each question. 1.What might be a disadvantage to temperature-dependent sex determination? 2.Compared to separate sexes and assuming self-fertilizing is not possible, what might be one advantage and one disadvantage to hermaphroditism? 3. Stomates must be open for evaporation to occur. Going back to the last lesson, how plant transport and gas exchange happens? + Prepare answerarrow_forward© Macmillan Learning Match each of the terms with the appropriate description. The descriptions may be used once, more than once, or not at all. sporophyte gametophyte spore sperm egg zygote Incorrect multicellular diploid multicellular diploid unicellular haploid unicellular haploid multicellular haploid multicellular diploid Answer Bank unicellular haploid multicellular haploid multicellular diploid unicellular diploidarrow_forward
- Directions: Plants have two life stages. The gametophyte life cycle, wherein a haploid spore is produced, and the sporophyte life cycle wherein there is union of the gametes. Below are different events in the development of flowering plants. Arrange them in the correct order. Place the number from 1 to 6 inside the box. The hypocotyl pushes to the soil along with the cotyledon(s). It starts as a seed which contain the miniature plant called embryo. Of the two sperm cells, one sperm fertilizes the egg cell, forming a diploid zygote; the other sperm fuses with the two polar nuclei, forming a triploid cell that develops into the endosperm Mature plant develops the gametes, releases the pollen and pollinates the flower. It is the process wherein seeds are transported, spread or moved away from the parent plant either by wind, water, animals or insect. The plant, given enough nutrients will develop in a mature stage. AS RICarrow_forwardCompare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical to parent? A) A B) B C) C D) Darrow_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_forward
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