PLANTS





Plants are the eukaryotes that structure the realm Plantae; they are prevalently photosynthetic. This implies that they acquire their energy from daylight, utilizing chloroplasts got from endosymbiosis with cyanobacteria to deliver sugars from carbon dioxide and water, utilizing the green color chlorophyll. Exemptions are parasitic plants that have lost the qualities for chlorophyll and photosynthesis, and acquire their energy from different plants or growths. Most plants are muliticellular, with the exception of some green growth.


By and large, as in Aristotle's science, the plant realm enveloped all living things that were not creatures, and included green growth and parasites. Definitions have restricted from that point forward; current definitions bar the parasites and a portion of the green growth. By the definition utilized in this article, plants structure the clade Viridiplantae (green plants), which comprises of the green growth and the embryophytes or land plants (hornworts, liverworts, greeneries, lycophytes, greeneries, conifers and different gymnosperms, and blossoming plants). A definition in view of genomes incorporates the Viridiplantae, alongside the red green growth and the glaucophytes, in the clade Archaeplastida.

There are around 380,000 known types of plants, of which the greater part, about 260,000, produce seeds. They range in size from single cells to the tallest trees. Green plants give a significant extent of the world's sub-atomic oxygen; the sugars they make supply the energy for the greater part of Earth's biological systems and different living beings, including creatures, either consume plants straightforwardly or depend on organic entities which do as such.

Grain, organic product, and vegetables are essential human food varieties and have been tamed for centuries. Individuals use plants for some reasons, like structure materials, trimmings, composing materials, and, in extraordinary assortment, for medications. The logical investigation of plants is known as natural science, a part of science.


1. Definition: Plants are eukaryotes that form the kingdom Plantae, primarily photosynthetic.
2. Characteristics: Multicellular, chloroplasts, chlorophyll, and photosynthesis (except parasitic plants).
3. Classification: Viridiplantae (green plants) and Archaeplastida (including red algae and glaucophytes).
4. Diversity: 380,000 known species, ranging from single cells to tallest trees.
5. Importance:
    - Produce molecular oxygen.
    - Supply energy for ecosystems.
    - Food source for humans and animals.
    - Provide building materials, medicines, and other resources.
6. Study: Botany, a branch of biology.

Types of Plants:

1. Green algae
2. Embryophytes (land plants)
    - Hornworts
    - Liverworts
    - Mosses
    - Lycophytes
    - Ferns
    - Conifers
    - Gymnosperms
    - Flowering plants

Plant Structure:

1. Cells
2. Tissues
3. Organs
4. Roots
5. Stems
6. Leaves
7. Flowers
8. Fruits
9. Seeds

Plant Functions:

1. Photosynthesis
2. Respiration
3. Growth
4. Development
5. Reproduction

Human Uses:

1. Food (grains, fruits, vegetables)
2. Medicine
3. Building materials
4. Ornaments
5. Writing materials

Botany:

1. Study of plant structure
2. Plant physiology
3. Plant ecology
4. Plant evolution
5. Plant systematics

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