Explanation

Classification of Living things: Is the sorting/ grouping/arranging of living things (in groups); according to their common/similar characteristics/features/shared qualities.

(ii) The scientist who developed the Binomial system of classification: Carl/Carolus Linnaeus/Linnaeous

 (iii) Reasons for classification of living things

• To put every lying organism into a systematic order/ specific group
• for easy identification of similar living things
• to indicate/Show the relationships between different categories of living organisms
• to show evolutionary trends in different groups of living organisms
• to trace geographical distribution of living organisms
• for easy reference
• for easy research/study.

(iv) Classification of ranks in order of hierarchy

Kingdom
Phylum/Division
Cass Order
Family
Genus
Species.

Features of Viruses as (i) living things (ii) nonliving things

(i) Living things

• has protoplasm/protein coat/membrane
• contain DNA/RNA/Nucleic acid

(ii) Non-living things

• appear as crystals
• lack of organelles

(c) Viral diseases of:
(i) Plants: 

• Cassava mosaic disease
• Bean mosaic diseases
• cacao swollen shoot disease
• Groundnut rosette
• maize streak
• cucumber mosaic
• any correctly named disease.

(ii) Humans;

• poliomyelitis/polio
• chicken pox
• mumps
• measles
• influenza/flu
• AIDS
• Ebola disease
• infective hepatitis
• Lassa fever
• Avian influenza (Bird flu)
• Swine flu (Bovine flu)
• Rabies
• Zika
• any correctly named disease. 

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