E-Lecture - Important Points
- Living things are classified for the purpose of identification and understand thier relationships.
- In binomial classification every species has a genus and species name in binomial nomenclature, the genus name is capitalized.
- Based on morphological, behavioural anatomical, physiological and hereditary similarities are grouped at different levels of classification.
- The heirarchy of classifcations are kingdom, phylum, class, order, family, genus and species.
- A species is an inter breedable group of organisms that produces fertile offspring.
- In modern classification the five kingdoms: Monera, Protista, Fungi, Plantae and Animalia.
- Monera includes unicelluar and prokaryotic organisms.
- Protista includes animal-like (Protozoa) and plant-like (Algae), Eukaryotic and mostly unicellular organisms.
- Fungi encompasses Eukaryotic unicellular and multicellular organisms having cellwall and they are heterotrohic.
- Plantae encompases Eukaryotic, multicellular and photosynthetic plants.
- Animalia includes Eukaryotic, multicellular animals with nervous system.
- Unicellular organisms are organisms having single cell to carry out all the activities of life.
- Few viruses and some bacteria, protozoa and some unicelluar fungi are known to cause Sexulay Transmitted Infections (STI);
- AIDS is caused by HIV virus.
- Gonorrhoea and Syphilis are STIs caused by bacteria.
- Trichomnas vaginalis is a STI caused by protozoa.
- Vaginal candidiasis is a STI caused by fungus.
- The sporozo, a plasmodium cause malaria by the bite of mosquito
- Prasitic protozoa such as Amoeba, Gardia and Plasmodium are known to cause diseases.
- Entamoeba histolytica causes intestinal disease amoebiasis.
- Gardia lambia causes intestinal disease giardiasis.
- Pasmodium falciparum causes malaria.
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