Reproduction:Sexual Reproduction In Flowering Plants – 2
Flower
graph TD;
Flower -->|Petals| A[Petals]
Flower -->|Sepals| B[Sepals]
Flower -->|Stamen| C[Stamen]
Flower -->|Pistil| D[Pistil]
A --> AA[Color]
A --> AB[Shape]
A --> AC[Size]
B --> BA[Green]
B --> BB[Protects Flower Bud]
C --> CA[Anther]
C --> CB[Filament]
D --> DA[Stigma]
D --> DB[Style]
D --> DC[Ovary]
Male Sex Organ (Androecium)
graph TB
A[Male Sex Organ (Androecium)]
A --> B[Stamen]
B --> C[Anther]
C --> D[Pollen]
B --> E[Filament]
A --> F[Microsporangium]
F --> G[Pollen Sac]
G --> H[Pollen Grain]
H --> I[Sperm Cells]
Development Of Pollen Sac
graph TB
A[Development Of Pollen Sac]
A --> B[Microsporogenesis]
B --> C[Formation of Microspore Mother Cell]
C --> D[Meiosis]
D --> E[Tetrad of Microspores]
E --> F[Development of Pollen Grain]
F --> G[Formation of Generative and Vegetative Cells]
G --> H[Pollen Maturation]
Microsporogenesis
graph TB
Microsporogenesis --> Meiosis
Meiosis --> MicrosporeMotherCell
MicrosporeMotherCell --> TetradOfMicrospores
TetradOfMicrospores --> Microspores
Microspores --> PollenGrains
Type Of Micrspore Tetrads
graph TD
A[Microspore Tetrads]
B[Tetrahedral]
C[Decussate]
D[T Shape]
E[Linear]
A --> B
A --> C
A --> D
A --> E
B --> F[Type 1]
B --> G[Type 2]
C --> H[Type 1]
C --> I[Type 2]
D --> J[Type 1]
D --> K[Type 2]
E --> L[Type 1]
E --> M[Type 2]
Pollen Grains
graph TD;
A[Pollen Grains]
B[Structure]
C[Types]
D[Functions]
E[Role in Reproduction]
F[Allergenic Properties]
G[Preservation and Fossil Record]
A --> B
A --> C
A --> D
A --> E
A --> F
A --> G
B --> H((Exine))
B --> I((Intine))
C --> J((Monosulcate))
C --> K((Trisulcate))
C --> L((Pantoporate))
D --> M((Male Gametophyte))
E --> N((Pollination))
F --> O((Hay Fever))
G --> P((Palynology))
Pollination
graph TB
A[Pollination]
B[Types of Pollination]
C[Agents of Pollination]
D[Importance of Pollination]
E[Process of Pollination]
A --> B
A --> C
A --> D
A --> E
B --> F[Self Pollination]
B --> G[Cross Pollination]
C --> H[Wind]
C --> I[Water]
C --> J[Animals]
D --> K[Food Production]
D --> L[Biodiversity]
E --> M[Transfer of Pollen]
E --> N[Fertilization]
Self Pollination
graph TB
SP[Self Pollination]
SP --> A[Types of Self Pollination]
A --> A1[Autogamy]
A --> A2[Geitonogamy]
SP --> B[Advantages of Self Pollination]
B --> B1[Less Dependence on Pollinators]
B --> B2[Assured Seed Production]
SP --> C[Disadvantages of Self Pollination]
C --> C1[No Genetic Variation]
C --> C2[Increased Risk of Extinction]
Advantage Of Self Pollination
graph TB
A[Advantage Of Self Pollination]
A --> B1[Guaranteed Reproduction]
A --> B2[No Need For Pollinators]
A --> B3[Less Energy And Time]
A --> B4[Genetic Preservation]
A --> B5[Adapted To Stable Environments]
Disadvantage Of Self Pollination
graph TD;
A[Disadvantage Of Self Pollination];
A --> B[Less Genetic Variation];
A --> C[Increased Susceptibility to Diseases];
A --> D[Less Adaptability];
A --> E[Inbreeding Depression];
B --> F[No New Traits];
C --> G[No Resistance to New Diseases];
D --> H[No Adaptation to Changing Environments];
E --> I[Reduced Fitness];
Cross Pollination
graph TD;
A[Cross Pollination] --> B((Types of Cross Pollination));
B --> C[Allogamy];
B --> D[Geitonogamy];
A --> E{{Mechanisms of Cross Pollination}};
E --> F[Wind];
E --> G[Water];
E --> H[Animals];
A --> I((Advantages of Cross Pollination));
I --> J[Genetic Diversity];
I --> K[Adaptability];
I --> L[Survival];
