Homework Answers
The first option is correct, an ovule contains a cell that goes through meiosis to produce a megaspore. It is present in the nucleus and is formed through megasporogenesis.
The second option is incorrect because in gymnosperms the female gametophyte do not have a free living state of existence
The third option is correct ovule is a megasporangium of a seed plant that has integuments
The fourth option is correct that an ovule will remain in the tree and the female gametophyte is developed from megaspores in the ovule
The fifth option is incorrect because its not the ovule its the egg inside the ovule that fuses with the sperm to form a zygote
The sixth option is incorrect because an ovule is the structure which has megasporangium( the female reproductive structure) along with the integuments.
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Which statements below are true of "ovules"? (Mark all that apply.) □ An ovule contains a...
TO DO 2: below: Review the Pine life cycle diagrammed In the table below, match the...
TO DO 2: below: Review the Pine life cycle diagrammed In the table below, match the correct name to each of the structures labelled (A-P) above. Choose from the following names: megaspore, egg, integument, mature sporophyte, ovule, male gametophyte, sperm nucleus, female cone, embryo, pollen grain, seed, pollen cone, megasporangium, seedling, microspores, female gametophyte. [1 mark for each correct answer] AI B) ск DL EM FN GO HP
PLEASE HELP WITH ALL QUESTIONS Which of the following statements is FALSE? Seeds include a source...
PLEASE HELP WITH ALL QUESTIONS
Which of the following statements is FALSE? Seeds include a source of nourishment of the developing embryo. A selective disadvantage of seeds is that the seed coat is highly vulnerable to invasion by fungi and bacteria. Most plants that produce seeds also produce nonflagellated sperm. Many seeds can remain dormant during long periods of drought or low temperatures. 5. In seed plants, fertilization can occur without the presence of water. 2 The world's tallest plants...
Q: Males cones are called staminate cones, where on the tree are they found? Each scale...
Q: Males cones are called staminate cones, where on the tree are they found? Each scale (microsporophyll) on the staminate cone bears a microsporangium that produces pollen grains (male gametophytes) Q: What do we call the pine's male gametophytes? Procedures 30.3 & 30.4 Phylum Coniferophyta → See figures named below in parenthesis from lab book Female ovulate cones are on upper branches of pine trees; each produces megaspores that undergo mitosis into a megagametophyte which, together with its surrounding tissues,...
Mature flower on sporophyte plant Generative cell Tube cell Ovule w Pollen grains Megasporangium Megaspore Antipodal...
Mature flower on sporophyte plant Generative cell Tube cell Ovule w Pollen grains Megasporangium Megaspore Antipodal cells Central cell Synergids Egg Nucleus of - developing endosperm Zygote Egg nucleus Discharged sperm nuclei Identify the indicated structures in the pine life cycle. Indicate what parts of the cycle are haploid or diploid. Label the two processes taking place in the yellow boxes, and show
Plant Diversity The scales of the female cones bear ovules, which enclose the female sporangia. Cells...
Plant Diversity The scales of the female cones bear ovules, which enclose the female sporangia. Cells in the female sporangia also undergo meiosis to produce spores. One of the spores from each meiotic division develops into a female gametophyte by mitosis. As the pollen germinates and produces sperm nuclei by mitosis, the female gametophyte produces an egg. One sperm nucleus reaches the egg through the pollen tube and fertilizes it. Notice in Figure 6 that the male gametangium has been...
1. When you look at a pine or maple tree, the plant you see is a...
1. When you look at a pine or maple tree, the plant you see is a _____. 2. The Brazil nut tree, Bertholletia excels (n = 17), is native to tropical rain forests of South America. It is a hardwood tree that can grow to over 50 meters tall, is a source of high-quality lumber, and is a favorite nesting site for harpy eagles. As the rainy season ends, tough-walled fruits, each containing 8-25 seeds (Brazil nuts), fall to the...
ws. Unless you need to edit it's safer to stay in Protected View Enable Editing Alternation...
ws. Unless you need to edit it's safer to stay in Protected View Enable Editing Alternation of generations describes plant life cycles. There are ſhow many?) generations. • The gametophyte generation begins when the process of forms (ploidy) cells. The gametophyte generation ends when a (ploidy) _ is formed by the process of_ Figure 38.4 Alternation of generations: What are the two generations in the plant life cycle? What is the male gametophyte? Female? The microsporangium in the pollen sac....
Which set contains the most closely related terms? megasporangium, megaspore, pollen, ovule microsporangium, microspore, egg, ovary...
Which set contains the most closely related terms? megasporangium, megaspore, pollen, ovule microsporangium, microspore, egg, ovary megasporangium, megaspore, egg, ovule microsporangium, microspore, carpel, ovary In the process of alternation of generations, the _. sporophyte is haploid and produces gametes sporophyte is diploid and produces spores gamctophyte is haploid and produces spores gametophyte is diploid and produces gametes spores unite to form a zygote Where are you LEAST likely to sec green algae? as pink snow in the mountains in summer...
b ory Marvel Observation Flowering Plant Life Cycle Use Figure 10.6 as a guide to describe...
b ory Marvel Observation Flowering Plant Life Cycle Use Figure 10.6 as a guide to describe the life cycle of flowering plants 1. The parts of the flower involved in reproduction are the and the 2. The there the top of the same has two sacs, which produce - by meiosis. 3. Within an ovule, a megaspore mother sellepoes meliosis to produce four three of which die 4. A microspore underpoes mitosis and becomes a - the male gametophyte. 5....
28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living...
28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living gametophytes; D) are all monoecious; E) none of the above 29. The first land plants share a most recent common ancestor with a group of aquatic organisms that lived in the littoral zone known as: A) charophyceans; B) chlorophytes; C) catphytes; D) coanocytes; E) cycadophytes 30. Which of the following is true for organisms with zygotic meiosis? A) The gametes are produced from haploid...
TO DO 2: below: Review the Pine life cycle diagrammed In the table below, match the correct name to each of the structures labelled (A-P) above. Choose from the following names: megaspore, egg, integument, mature sporophyte, ovule, male gametophyte, sperm nucleus, female cone, embryo, pollen grain, seed, pollen cone, megasporangium, seedling, microspores, female gametophyte. [1 mark for each correct answer] AI B) ск DL EM FN GO HP
PLEASE HELP WITH ALL QUESTIONS
Which of the following statements is FALSE? Seeds include a source of nourishment of the developing embryo. A selective disadvantage of seeds is that the seed coat is highly vulnerable to invasion by fungi and bacteria. Most plants that produce seeds also produce nonflagellated sperm. Many seeds can remain dormant during long periods of drought or low temperatures. 5. In seed plants, fertilization can occur without the presence of water. 2 The world's tallest plants...
Q: Males cones are called staminate cones, where on the tree are they found? Each scale (microsporophyll) on the staminate cone bears a microsporangium that produces pollen grains (male gametophytes) Q: What do we call the pine's male gametophytes? Procedures 30.3 & 30.4 Phylum Coniferophyta → See figures named below in parenthesis from lab book Female ovulate cones are on upper branches of pine trees; each produces megaspores that undergo mitosis into a megagametophyte which, together with its surrounding tissues,...
Mature flower on sporophyte plant Generative cell Tube cell Ovule w Pollen grains Megasporangium Megaspore Antipodal cells Central cell Synergids Egg Nucleus of - developing endosperm Zygote Egg nucleus Discharged sperm nuclei Identify the indicated structures in the pine life cycle. Indicate what parts of the cycle are haploid or diploid. Label the two processes taking place in the yellow boxes, and show
Plant Diversity The scales of the female cones bear ovules, which enclose the female sporangia. Cells in the female sporangia also undergo meiosis to produce spores. One of the spores from each meiotic division develops into a female gametophyte by mitosis. As the pollen germinates and produces sperm nuclei by mitosis, the female gametophyte produces an egg. One sperm nucleus reaches the egg through the pollen tube and fertilizes it. Notice in Figure 6 that the male gametangium has been...
ws. Unless you need to edit it's safer to stay in Protected View Enable Editing Alternation of generations describes plant life cycles. There are ſhow many?) generations. • The gametophyte generation begins when the process of forms (ploidy) cells. The gametophyte generation ends when a (ploidy) _ is formed by the process of_ Figure 38.4 Alternation of generations: What are the two generations in the plant life cycle? What is the male gametophyte? Female? The microsporangium in the pollen sac....
Which set contains the most closely related terms? megasporangium, megaspore, pollen, ovule microsporangium, microspore, egg, ovary megasporangium, megaspore, egg, ovule microsporangium, microspore, carpel, ovary In the process of alternation of generations, the _. sporophyte is haploid and produces gametes sporophyte is diploid and produces spores gamctophyte is haploid and produces spores gametophyte is diploid and produces gametes spores unite to form a zygote Where are you LEAST likely to sec green algae? as pink snow in the mountains in summer...
b ory Marvel Observation Flowering Plant Life Cycle Use Figure 10.6 as a guide to describe the life cycle of flowering plants 1. The parts of the flower involved in reproduction are the and the 2. The there the top of the same has two sacs, which produce - by meiosis. 3. Within an ovule, a megaspore mother sellepoes meliosis to produce four three of which die 4. A microspore underpoes mitosis and becomes a - the male gametophyte. 5....
28. Seed plants: A) are all heterosporous; B) have motile sperm; C) have photosynthetic, free- living gametophytes; D) are all monoecious; E) none of the above 29. The first land plants share a most recent common ancestor with a group of aquatic organisms that lived in the littoral zone known as: A) charophyceans; B) chlorophytes; C) catphytes; D) coanocytes; E) cycadophytes 30. Which of the following is true for organisms with zygotic meiosis? A) The gametes are produced from haploid...
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