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1. Basic plant life cycle Just like in animals, the reproductive cycle of plants requires both haploid and diploid cells. Unlike in animals, though, both the haploid and diploid structures can be multicellular. In addition, many plants have spores as well as gametes. The basic pattern of alternating between haploid and diploid structures is the same for all land plants. This reproductive cycle follows the same basic pattern seen in the reproductive cycle of . However, the appearance of the structures in this reproductive cycle differs among different groups of land plants. The following figure summarizes the reproductive structures used by land plants. Choose correct labels from the drop-down menu provided under the image. Mitosis A E Diploid Нaploid B Mitosis Mitosis Fertilization Meiosis

1. Basic plant life cycle Just like in animals, the reproductive cycle of plants requires both haploid and diploid cells. Unlike in animals, though, both the haploid and diploid structures can be multicellular. In addition, many plants have spores as well as gametes. The basic pattern of alternating between haploid and diploid structures is the same for all land plants. This reproductive cycle follows the same basic pattern seen in the reproductive cycle of . However, the appearance of the structures in this reproductive cycle differs among different groups of land plants. The following figure summarizes the reproductive structures used by land plants. Choose correct labels from the drop-down menu provided under the image. Mitosis A E Diploid Нaploid B Mitosis Mitosis Fertilization Meiosis

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### The Cell Cycle: From Fertilization to Mitosis #### Overview The image illustrates the cycle of cell growth and reproduction, beginning with fertilization and continuing through mitosis and meiosis. This diagram is segmented into distinct phases, each representing a crucial part of the cell cycle. #### Diagram Description 1. **Fertilization**: Marked as Phase A. This is where two haploid cells (gametes) combine to form a diploid zygote. This event acts as the starting point of the cell cycle. 2. **Mitosis**: Shown occurring at several points: Phase B and Phase C. Mitosis is the process through which a single cell divides to produce two identical daughter cells, each maintaining the diploid (2n) chromosome number. 3. **Haploid Stage**: This is the lower half of the cycle, below the dashed line. Cells in this stage contain a single set of chromosomes (n). 4. **Meiosis**: Occurs at multiple points: Phase D and Phase E. During meiosis, a single diploid cell divides to produce four haploid cells, each with half the original chromosome number. This process is essential for sexual reproduction. 5. **Diploid Stage**: Represented in the upper half of the cycle, above the dashed line. Cells in this stage have two sets of chromosomes (2n). #### Matching Sections Below the diagram, there are five labeled sections (A, B, C, D, E) which correspond to different stages and processes in the cell cycle: - **A: 2** - **B: 3** - **C: 4** - **D: 5** - **E: 6** These correspond to the distinct processes occurring in each phase of the diagram. The numbers (2, 3, 4, 5, 6) likely correspond to additional information or detailed explanations which should be referred to in the educational material for further details on each stage. #### Educational Use This diagram is useful in educational contexts to help students understand the sequential stages of cell development and reproduction. Each part of the cycle, from fertilization to the various forms of cellular division, plays a vital role in biological growth and inheritance. Understanding this cycle is fundamental to the study of biology and genetics. Students should be able to identify and describe each phase, leading to a comprehensive understanding of how life continues from
Transcribed Image Text:### The Cell Cycle: From Fertilization to Mitosis #### Overview The image illustrates the cycle of cell growth and reproduction, beginning with fertilization and continuing through mitosis and meiosis. This diagram is segmented into distinct phases, each representing a crucial part of the cell cycle. #### Diagram Description 1. **Fertilization**: Marked as Phase A. This is where two haploid cells (gametes) combine to form a diploid zygote. This event acts as the starting point of the cell cycle. 2. **Mitosis**: Shown occurring at several points: Phase B and Phase C. Mitosis is the process through which a single cell divides to produce two identical daughter cells, each maintaining the diploid (2n) chromosome number. 3. **Haploid Stage**: This is the lower half of the cycle, below the dashed line. Cells in this stage contain a single set of chromosomes (n). 4. **Meiosis**: Occurs at multiple points: Phase D and Phase E. During meiosis, a single diploid cell divides to produce four haploid cells, each with half the original chromosome number. This process is essential for sexual reproduction. 5. **Diploid Stage**: Represented in the upper half of the cycle, above the dashed line. Cells in this stage have two sets of chromosomes (2n). #### Matching Sections Below the diagram, there are five labeled sections (A, B, C, D, E) which correspond to different stages and processes in the cell cycle: - **A: 2** - **B: 3** - **C: 4** - **D: 5** - **E: 6** These correspond to the distinct processes occurring in each phase of the diagram. The numbers (2, 3, 4, 5, 6) likely correspond to additional information or detailed explanations which should be referred to in the educational material for further details on each stage. #### Educational Use This diagram is useful in educational contexts to help students understand the sequential stages of cell development and reproduction. Each part of the cycle, from fertilization to the various forms of cellular division, plays a vital role in biological growth and inheritance. Understanding this cycle is fundamental to the study of biology and genetics. Students should be able to identify and describe each phase, leading to a comprehensive understanding of how life continues from
### 1. Basic Plant Life Cycle Just like in animals, the reproductive cycle of plants requires both haploid and diploid cells. Unlike in animals, though, both the haploid and diploid structures can be multicellular. In addition, many plants have spores as well as gametes. The basic pattern of alternating between haploid and diploid structures is the same for all land plants. This reproductive cycle follows the same basic pattern seen in the reproductive cycle of _________. However, the appearance of the structures in this reproductive cycle differs among different groups of land plants. The following figure summarizes the reproductive structures used by land plants. Choose correct labels from the drop-down menu provided under the image. #### Diagram Explanation: The diagram illustrates the alternating stages of haploid and diploid phases in the plant life cycle. - The cycle is depicted as a circular flow starting from fertilization (A), which forms a diploid zygote. - The diploid phase is highlighted in the upper section, where it undergoes mitosis (B). - Transitioning to another stage through meiosis (C) leads to the formation of haploid cells. - These haploid cells undergo mitotic division (D) forming multicellular haploid structures. - The cycle completes as these haploid structures (gametes) come together during fertilization (E) to begin a new cycle. Circular arrows indicate the sequence of processes: - Mitosis in both diploid and haploid phases. - Meiosis transitioning from diploid to haploid. - Fertilization transitioning from haploid to diploid. This cyclical process in land plants defines the alternation of generations—a distinctive feature of their reproductive strategy.
Transcribed Image Text:### 1. Basic Plant Life Cycle Just like in animals, the reproductive cycle of plants requires both haploid and diploid cells. Unlike in animals, though, both the haploid and diploid structures can be multicellular. In addition, many plants have spores as well as gametes. The basic pattern of alternating between haploid and diploid structures is the same for all land plants. This reproductive cycle follows the same basic pattern seen in the reproductive cycle of _________. However, the appearance of the structures in this reproductive cycle differs among different groups of land plants. The following figure summarizes the reproductive structures used by land plants. Choose correct labels from the drop-down menu provided under the image. #### Diagram Explanation: The diagram illustrates the alternating stages of haploid and diploid phases in the plant life cycle. - The cycle is depicted as a circular flow starting from fertilization (A), which forms a diploid zygote. - The diploid phase is highlighted in the upper section, where it undergoes mitosis (B). - Transitioning to another stage through meiosis (C) leads to the formation of haploid cells. - These haploid cells undergo mitotic division (D) forming multicellular haploid structures. - The cycle completes as these haploid structures (gametes) come together during fertilization (E) to begin a new cycle. Circular arrows indicate the sequence of processes: - Mitosis in both diploid and haploid phases. - Meiosis transitioning from diploid to haploid. - Fertilization transitioning from haploid to diploid. This cyclical process in land plants defines the alternation of generations—a distinctive feature of their reproductive strategy.
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