In terms of sophistication, polarized light microscopescan be categorized into three levels: small, highlycapable microscopes designed for education or basicanalytical work; laboratory grade, which allows fullpolarized light forensic analysis; and high grade laboratoryinstruments, which are also used for research.
The Okapi (Okapia johnstoni) is a mammal located in the Ituri Rainforest in the north east of the Democratic Republic of the Congo in central Africa. Although it has striped markings similar to those of the zebra, it is more closely related to the giraffe.he Okapi (Okapia johnstoni) is a mammal located in the Ituri Rainforest in the north east of the Democratic Republic of the Congo in central Africa. Although it has striped markings similar to those of the zebra, it is more closely related to the giraffe.
Koi (é¯, English: /ËkÉÉª/, Japanese: ) or more specifically nishikigoi (é¦é¯,, literally brocaded carp), are colored form of Amur carp (Cyprinus rubrofuscus) that are kept for decorative purposes in outdoor koi ponds or water gardens. Koi is an informal group of the colored variants of the Amur carp. Japanese people are the ones who classify this. Koi varieties are distinguished by coloration, patterning, and scalation. Some of the major colors are white, black, red, yellow, blue, and cream.