Concept explainers
To determine:
How corpse flower guarantee mating with a different individual and produce offspring with slightly different characteristics that may aid in survival.
Introduction:
Amorphophallus titanum is known by the name “corpse flower”. It is a flowering plant, which has the largest unbranched inflorescence. It is called the corpse flower because of its odor, which smells like a rotting carcass or corpse.
To determine:
How and where
Introduction:
Angiosperms are vascular flowering plants. There are about
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Biology
- This figure summarises the life cycle of a seed plant. The blue circles named A and B represent the sexually mature individual of each phase of the life cycle. 1) What is this life cycle called? 2) Plant B is in the diploid phase. What is another name for this plant? 3) If A is the haploid phase, in which phase would you find sepals? Write just the letter of the individual corresponding to the correct phase 4) If B is the haploid phase, in which phase would you find synergids? Write just the letter of the individual corresponding to the correct phase 5) If B is the diploid phase, in which phase would you find the nucellus? Write just the letter of the individual corresponding to the correct phase 6) If A is the diploid phase, in which phase would you find the sperm cells? Write just the letter of the individual corresponding to the correct phase 7) If A is the diploid phase, in which phase would you find selection on flower colour? Write just the letter of the individual corresponding…arrow_forwardis the yellow bell flower: polypetalous or gamopetalous? (if gamopetalous, describe the corolla shape) radial or bilateral symmetry? inferior or superior ovary? complete of incomplete? perfect or imperfect?arrow_forwardSome dioecious species have the XY genotype for male andXX for female. After double fertilization, what would be thegenotypes of the embryos and endosperm nuclei?(A) embryo XY/endosperm XXX or embryo XX/endosperm XXY(B) embryo XX/endosperm XX or embryo XY/endosperm XY(C) embryo XX/endosperm XXX or embryo XY/endosperm XYY(D) embryo XX/endosperm XXX or embryo XY/endosperm XXYarrow_forward
- is the kalachuchi flower: polypetalous or gamopetalous? (if gamopetalous, describe the corolla shape) radial or bilateral symmetry? inferior or superior ovary? complete of incomplete? perfect or imperfect?arrow_forwardis the gumamela flower: polypetalous or gamopetalous? (if gamopetalous, describe the corolla shape) radial or bilateral symmetry? inferior or superior ovary? complete of incomplete? perfect or imperfect?arrow_forwardWhat is flower and inflorescence? What are their functions, differences and similarities? What are different types of inflorescence? How do they differ to one another?arrow_forward
- What is the difference between self-pollination and cross-pollination? If pollen is transferred from the stamens of a flower to the stigma of the very same flower, is that cross-pollination or self-pollination? If it is transferredfrom the stamen of one flower to the stigma of another flower on the very same plant? If it is transferred from the stamen of one flower to the stigma of another flower on a different plant, but a plant that is a clone of the first one? Animals do not have pollen, of course, but why is it that most animals never have to worry about the equivalent problem of self-fertilization? Why cannot most animals fertilize themselves?arrow_forwardIn Sunflower, If the flower is gamopetalous, are the stamens epipetalous? If so, are the stamens inserted on the tube or on the throat of the corolla? Are the stamens connivant or not? If there are as many stamens as petals, are the stamens opposite or alternate with the petals or lobes of the corolla? Split the corolla from top to bottom to determine this.arrow_forward. Which parts of the pine life cycle are haploid (1n or n, contains only one set of chromosomes)?arrow_forward
- How many ovaries are there in a flower with a compound pistil containing 10 carpels?arrow_forwardWhat is the most likely consequence of a mutation that would cause sporopollenin to degrade quickly right after it is synthesized? -A reduction in the ability of pollen and spores to survive intact and disperse to new areas. -A reduction in the ability of pollinators to detect and transfer pollen grains to a stigma. -A decrease in the number of sperm that can be produced. -A decrease in the ability of the pollen grain or spore to open when a suitable location is found. -A reduction in the ability of the integument of an ovule to develop into a seed coat.arrow_forwardDouble fertilization results in __________________________. a. a diploid zygote and triploid endosperm in each seed b. a spare sperm nucleus c. two diploid zygotes in every seed d. none of these answers is correct e. three diploid zygotes; one of the three will form will develop into a sporophyte embryo in a seed, one will die and the third will migrate out of the megasporangium and form a separate male plantarrow_forward
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