Question

write the definations of classification, biodiversity,prokaryotic,eukaryotic levels of classification of human beings.​

Answer 1

Explanation:

Classification is a hierarchical system of categories on the basis of presumed natural relationships among organisms. The science of biological classification is commonly called taxonomy (q.v.).

Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level.

A prokaryote is a cellular organism that lacks an envelope-enclosed nucleus.

Eukaryotes is an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaea.

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Answer 2

Answer:

Whittaker's System of Classification divides the organisms into five kingdoms as follows:

1. Kingdom Monera: The organisms are prokaryotic and unicellular. They can be autotrophic or heterotrophic. They divide by asexual means and seldom show sexual reproduction. They Inhabit diverse habitats. Some are pathogenic while others are free-living. It can be further classified as Archaebacteria, Eubacteria, Cyanobacteria, Actinomycetes, and Mycoplasma.

2. Kingdom Protista: The organisms are eukaryotic, but they are unicellular. They can be autotrophic, like diatoms, or heterotrophic, like Amoeba. They show asexual reproduction. These are further divided as Chrysophytes, Dinoflagellates, Euglenoids, Protozoans, Slime molds.

3. Kingdom Fungi: The organisms are multicellular and eukaryotic. They have a cell wall made of chitin. They are heterotrophic. They show both the sexual as well as sexual reproduction. These can be classified as Deuteromycetes, Ascomycetes, Basidiomycetes, Phycomycetes.

4. Kingdom Plantae: The organisms are multicellular and eukaryotic. These are autotrophic and the cell wall is made of cellulose. It can be classified as Thallophyta. Bryophyta, Pteridophyta, Gymnospermae, and Angiospermae.

5. Kingdom Animalia: These are multicellular, eukaryotic, heterotrophic organisms that lack a cell wall. They are capable of locomotion. On the basis of the notochord, these can be Non-chordates (that lack notochord) and Chordates (that have notochord). Non-chordates are further divided as Porifera, Cnidaria, Platyhelminthes, Aschelminthes, Arthropoda, Mollusca, Echinodermata. Chordates can be classified as Invertebrates and Vertebrates on the basis of the vertebral column. Vertebrates can be Pisces, Amphibia, Reptilia, Aves, and Mammalia

Explanation:

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