DIVERSITY IN LIVING ORGANISMS
AlL Living organisms were broadly categorized into following 5 categories called kingdoms: Monera Protista Fung, Plantae Animalia
Organisms Prokaryotes Eukaryotes Unicellular Multicellular Protista With cell-wall Without cell-wall Animalia Do not perform photosynthesis Able to perform Fungi Plantae
MONERA - Monera do not have a defined nucleus or organelles. They do not shous multi-cellular body designs. Resting spore Some organisms belonging to this group have cell walls. - The organisms belonging to this group are Bacteria either autotrophs (produce their own food) or heterotrophs (Consume the food from the environment) ieterocyst Anabaena Examples of organisms belonging to this group are bacteria, blue-green algae or cyanobacteria, and mycoplasma.
PROTISTA e unicellular eukaryotic organisms belong to this group. The organism make use of appendages, such as hair-like cilia or whip-like flagella for their movement, Fig. Paramecium They are either autotrophs (produce their own food) or heterotrophs (Con sume the food from the environment. . Examples of organisms belonging to this group are unicellular algae, diatoms and protozoans. Fig Amoeba
FUNGI The organisms belonging to this group are heterotrophic (Consume the food from the environment) eukaryotic organisms, The organisms belonging to this grour consume decaying organic material as food. Therefore they are called saprophytes. These organisms can become multicellular organisms at specific stages of their Lives.
The cell-walls of these organisms are made of a tough complex sugar called chitin. Examples of organisms belonging to this group are yeast and mushrooms. Some fungal species live are found to Live in long-lasting mutually dependent relationships with blue-green algae (or cyanobacteria) and hence are said to be in a sumbiotic relation. Aspergillus Penicillium Agaricus Examples of Fungi
PLANTAE - Plantae are multicellular eukaryotes having cell walls. The organisms belonging to this group are autotrophs and makes use of chlorophyll for PLANTAE photosunthesis in order to produce food for themselves. The following chart shows the cl a s sification of organisms in this group. THALLOPHYTA BRYOPHYTA PTERIDOPHYTA GYMNOSPERMS ANGIOSPERMS
ANIMALIA ANIMALIA PORIFERA - The orqanis ms Like multicellular eukaryotes belo to this group. They do not have cell walls COELENTERATA PLATYHELMINTHES NENATODA ANNELIDA - The organisms belonging to this ARTHROPODA group are heterotrophs (Consume the food from the environment) MOLLUSCA ECHINODERMATA PROTOCHORDATA - Most animals of this group are movable. VERTEBRATA
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