From their original abode the Angiosperms covered the whole of the earth migrating to different countries along different routes. Moving northwards they covered the whole of Asia and following a coastal route reached the Bearing Straight and crossed over to America. Mountains of Malaya and Burma brought them to the Himalayas by which route they had access to Europe. In [...]
In this article we will discuss about Migration of Fishes:- 1. Definition of Migration 2. List of Migratory Fishes 3. Types 4. European Eel 5. Anadromous 6. Causes. Contents: Definition of Migration List of Migratory Fishes Types of Migration European Eel Migration Anadromous Migration Causes for Fish Migration 1. Definition of Migration: Migration of fish is defined as a class [...]
In this article we will discuss about the Migration of Birds:- 1. Definition of Bird Migration 2. Types of Bird Migration 3. Causes 4. Guiding Mechanisms 5. Disadvantages. Contents: Definition of Bird Migration Types of Bird Migration Causes of Migration Guiding Mechanisms in Bird Navigation Disadvantages of Bird Migration 1. Definition of Bird Migration: The word "migration" has come from [...]