Anatomy of Dicot stem showing secondary growth
Transverse Section of Dicot Stem (Eupatorium) Showing secondary growth
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Anatomy of angiosperm/Tradescantia epidermis showing stomata
Tradescantia Epidermis Tradescantia epidermis under high power
ICT / Automated Teller Machine (ATM)
ICT Devices: Automated Teller Machine (ATM) - Automated Teller Machine is an electronic device that allows you to perform banking transactions without needing a teller. - It was first made by John Shepherd Barron in installed in London by Barclays bank in 1967. F Functions: -A - ATMs provide an easy way to link your bank account 24hrs and all days of the week for transactions like cash withdrawals, check deposits (in some ATMs), balance inquiries, and fund transfers. - It can even use to withdraw money in ATM of other bank. - It can even use to withdraw cash in foreign countries, generally with currency conversion fees . Procedure of using ATM - - To use this machine one must have debit or credit card of the bank. - - To use an ATM, you'll typically insert your debit or credit card into...
Biotic succession
Su ccession : An orderly and progressive replacement of one community by another until a relatively stable community (climax community) is established in an area is called biotic succession. A. Causes of succession: It involves a series of complex processes, so it controlled by a number of causes- a. Initiating causes: It includes all these biotic and abiotic causes which helps in production of barren area e.g. fire, wind, grazing, cutting, cultivation, draught etc. b. Continuing causes: Causes of successive waves of population e.g. Migration, competition, aggregation, reation etc. c. Stabilizing causes: These helps in stabilise the community in an area. Climatic factors has major influences on stabilisation. B. Basic types of succession: There are two main types of succession- a. Primary succession: - It is a process of colonization on the substratum initially free of life. - The substratum serves for primary succ...