Theory of spontaneous generation - origin of life, PL-SQL Programming

Assignment Help:

THEORY OF SPONTANEOUS GENERATION - ABIOGENESIS OR AUTOGENESIS -

According to this theory, the existing living communities have originated from non-living organic matter without the intervention of living entities, i.e., abiogenetically.
The various concepts regarding the origin of life due to spontaneous generation are as follow:
Anaximander (611-547 B.C.) stated that plants and animals were formed from inorganic substances.
Epicurus (342-271 B.C.) had the opinion that the origin of worms and other animals from the soil or decomposed faecal matters of animals due to the warmth of the solar system and air present in the atmosphere.
Aristotle (384-322 B.C.) said that not only worms and insects but also fishes, amphibians and mice have emerged spontaneously.
Aristotle believed hierarchial increase of complexity as shown in "Scala naturae"
Non-living → plants → sponge → animals
Once formed organism start reproducing themselves.
Van Helmont (1642) was the opinion that human sweat and wheat bran when kept together in dark cupboard for 20 days can form mice.

Related Discussions:- Theory of spontaneous generation - origin of life

Delete command - sql, DELETE Command - SQL Loosely speaking, DELETE re...

DELETE Command - SQL Loosely speaking, DELETE removes some existing rows from its target table. Suppose the university decides that course C3 is to be withdrawn. Example shows

In packages - subprograms, In Packages The Forward declarations also g...

In Packages The Forward declarations also group logically related subprograms in the package. The subprogram specifications go in the package specification, & the subprogram b

Need for dynamic sql - pl sql , Need for Dynamic SQL: You need dynamic...

Need for Dynamic SQL: You need dynamic SQL in the situations as follows: 1) You would like to execute a SQL data definition statement (like CREATE), a data control statemen

Advantages of wrapping, Advantages of Wrapping The PL/SQL Wrapper co...

Advantages of Wrapping The PL/SQL Wrapper convert the PL/SQL source code into a transitional form of the object code. By hiding the application internals, the Wrapper secure

Packages, Packages The package is a schema object which groups logicall...

Packages The package is a schema object which groups logically associated to the PL/SQL items, types, and subprograms. The Packages have 2 sections: the specification & the bod

Sql query on hospital database, Perform the following queries on the Hospit...

Perform the following queries on the Hospital1.DB using SQL Anywhere (START EARLY!). a. Which patients have purchased the drug "Tylenol"? List the names and addresses. Arrange the

Write a pl/sql anonymous block that accepts an employee id, Based on the EM...

Based on the EMPLOYEE table created in Assignment #1, write a PL/SQL anonymous block that accepts an employee ID from the user input and finds whether the employee ID is in the EMP

Tables within a table - sql, Tables within a Table - SQL Figure here ...

Tables within a Table - SQL Figure here is an exact copy of the one in the theory book and as before it is just an alternative way of representing some of the information con

Packaging cursors, Packaging Cursors You can split a cursor specific...

Packaging Cursors You can split a cursor specification from its body for placement in a package. In that way, you can change the cursor body without changing the cursor spec

Appgen to sap data export, We are seeking a freelance consultant that is fa...

We are seeking a freelance consultant that is familiar with Appgen applications. We require exporting all our data into a format appropriate for importing into SAP Business One. Pl

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages