Homework Answers
Answer:
e) haploid and are made when haploid spores undergo mitosis
Explanation:
Pollen grains are male microgametophytes of seed plants which produce male gametes
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Question 10 Angiosperm pollen grains are a. diploid, and are made...
Double fertilization in an angiosperm produces a diploid zygote and a haploid polar nucleus. a diploid...
Double fertilization in an angiosperm produces a diploid zygote and a haploid polar nucleus. a diploid zygote and a diploid endosperm. a diploid embryo and a triploid zygote. a triploid embryo and a diploid endosperm. a diploid zygote and a triploid endosperm. Which of the following is the correct order of floral organs from the outside to the complete flower? petals-sepals-stamens-carpels sepals-stamens-petals-carpels spores-gametes-zygote-embryo sepals-petals-stamens-carpels male gametophyte-female gametophyte-sepals-petals Why is sexual reproduction important? It allows animals to conserve resources and reproduce...
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...
choose the correct answer please FERTILIZATION Pairing of gametes Haploid (N) Diploid (2) Figure 5 Figure...
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FERTILIZATION Pairing of gametes Haploid (N) Diploid (2) Figure 5 Figure 5 shows the life cycle of a single celled alga. How will this differ from the life cycle for a bryophyte? a. This life cycle does not involve seeds at any stage. b. This life cycle alternates between a haploid stage and a diploid stage. c. This life cycle only occurs if conditions warrant. d. This life cycle involves both spores and gametes. e....
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...
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...
_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...
choose the correct answer please Question 4 How is angiosperm fertilization different than in gymnosperms? a....
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Question 4 How is angiosperm fertilization different than in gymnosperms? a. Angiosperms are the only plants to produce seeds after fertilization takes place. b. In angiosperms, the female gametophyte is present on bracts. c. In angiosperms, a sperm fuses with an egg to produce a zygote. d. Unlike other plants, angiosperms require water for fertilization to take place. e. Two fertilization events take place in angiosperms, producing a zygote and endosperm.
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....
Question 1: Please consider gametes in animals. Part a. Are gametes diploid or haploid, and what...
Question 1: Please consider gametes in animals. Part a. Are gametes diploid or haploid, and what process (mitosis or meiosis) forms them? Sketch this process and include this labeled drawing in your submission. Remember that your drawing must not be an exact copy of a published figure, although you may use a published figure as a guide if you reference it. Part b. What occurs when two gametes unite, and what is the ploidy of the resulting zygote? Through which...
my assigned organism is Naked mole rat (Heterocephalus glaber). please type it. The first step in...
my assigned organism is Naked mole rat (Heterocephalus glaber). please type it. The first step in understanding how information is passed from one generation to the next is understanding how cells divide, particularly how the DNA is passed on to the resulting cells. In this discussion, you will describe the life cycle of an animal or plant of your choosing. The animal or plant you choose must have a sexual life cycle (although it may also have an asexual life...
Double fertilization in an angiosperm produces a diploid zygote and a haploid polar nucleus. a diploid zygote and a diploid endosperm. a diploid embryo and a triploid zygote. a triploid embryo and a diploid endosperm. a diploid zygote and a triploid endosperm. Which of the following is the correct order of floral organs from the outside to the complete flower? petals-sepals-stamens-carpels sepals-stamens-petals-carpels spores-gametes-zygote-embryo sepals-petals-stamens-carpels male gametophyte-female gametophyte-sepals-petals Why is sexual reproduction important? It allows animals to conserve resources and reproduce...
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...
choose the correct answer please
FERTILIZATION Pairing of gametes Haploid (N) Diploid (2) Figure 5 Figure 5 shows the life cycle of a single celled alga. How will this differ from the life cycle for a bryophyte? a. This life cycle does not involve seeds at any stage. b. This life cycle alternates between a haploid stage and a diploid stage. c. This life cycle only occurs if conditions warrant. d. This life cycle involves both spores and gametes. e....
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...
_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...
choose the correct answer please
Question 4 How is angiosperm fertilization different than in gymnosperms? a. Angiosperms are the only plants to produce seeds after fertilization takes place. b. In angiosperms, the female gametophyte is present on bracts. c. In angiosperms, a sperm fuses with an egg to produce a zygote. d. Unlike other plants, angiosperms require water for fertilization to take place. e. Two fertilization events take place in angiosperms, producing a zygote and endosperm.
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....
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