1Reproduction in Plants
Sexual Reproduction
Definition: The process involving the fusion of male and female gametes, leading to the formation of seeds.
2Asexual Reproduction
Definition: A reproductive process that does not involve the fusion of gametes, resulting in genetically identical offspring.
3Pollination Process
Definition: The transfer of pollen from the anther to the stigma, essential for fertilization.
4Animals and Growth of Organisms
Definition of Growth
Definition: An increase in size or mass of an organism over time, characterized by cell division and differentiation.
5Factors Affecting Growth
Definition: Internal (genetics, hormones) and external factors (nutrients, environment) that influence growth rates.
6Intro to Photosynthesis and Flow of Energy
What is Photosynthesis?
Definition: The conversion of light energy into chemical energy by plants, producing glucose and oxygen from carbon dioxide and water.
7Photosynthesis Phrases
Basic Definition
Photosynthesis is the process by which plants, algae, and certain bacteria convert light energy into chemical energy in the form of sugars.
8Reactants and Products
During photosynthesis, photoautotrophs use light energy, carbon dioxide, and water to produce glucose and oxygen.
9Role of Chloroplasts
Chloroplasts are the cell structures where photosynthesis occurs, crucial for the conversion of light energy into chemical energy.
10 Involvement of Chlorophyll
Chlorophyll is a pigment found in thylakoids that absorbs light energy, facilitating the production of carbohydrates
11Light-dependent Reactions
The light-dependent reactions occur in the thylakoid membrane and capture sunlight to produce ATP
12Calvin Cycle
The Calvin cycle takes place in the stroma of chloroplasts, using ATP to convert carbon dioxide into glucose.
13 Photosynthesis Equation
The overall reaction for photosynthesis can be summarized as:
6CO2 + 6H2O → C6H12O6 + 6O2
14Environmental Impact
Through photosynthesis, plants absorb carbon dioxide from the atmosphere, which helps combat global warming