Kingdom Monera: The organisms are prokaryotic, unicellular, some are colonial or some are multicellular. Nuclear substance is the chromatin lacking nuclear membrane, nucleolus, nucleoplasm and nuclear reticulum. Ribosomes are the only cell organelle available. Amitosis is the process of cell division. The only way for the population to grow is by cell division, since there is no sexual cycle. Bacteria, cyanobacteria, and other microorganisms are examples.
Kingdom-Protista: Organisms are classified as unicellular, multicellular, territorial, or filamentous in the kingdom Protista. The cell has a well-structured nucleus, as well as mitochondria, endoplasmic reticulum, centrosomes, Golgi bodies, and other cell organelles. Absorption, ingestion, and photosynthesis are the three ways they get their nutrition. Cell division is called mitosis, and reproduction may be asexual or sexual. For example, Diatom, Euglena, and Amoeba.
Kingdom-Animalia: Eukaryotic, multicellular, cell wall, and plastids are absent from the Kingdom-Animalia. In the absence of chlorophyll, the organism is unable to produce food and must rely on external sources for nutrition, making it heterotrophic. Food is digested inside the body, whether it is liquid or solid. For example, a man, a cow, or a flock of birds.
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