Search results
Results From The WOW.Com Content Network
Animal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migration in ecology. It is found in all major animal groups, including birds , mammals , fish , reptiles , amphibians, insects , and crustaceans .
Migration is most commonly seen in the form of animal migration, the physical movement by animals from one area to another. That includes bird , fish , and insect migration . However, plants can be said to migrate, as seed dispersal enables plants to grow in new areas, under environmental constraints such as temperature and rainfall, resulting ...
Motile animals can disperse themselves by their spontaneous and independent locomotive powers. For example, dispersal distances across bird species depend on their flight capabilities. [24] On the other hand, small animals utilize the existing kinetic energies in the environment, resulting in passive movement.
Sep. 30—Migration is as natural as hummingbirds flying south for the winter. "Migratory" pairs the migration of plants and animals with human movement for survival. Developed by Mexico City ...
The positive force of forest migration, plant population expansion, is governed by the seed dispersal capacity of the tree species' population and seedling establishment success. The population expansion limiting force, negative force, is the suppression by the environment of species' success in an area.
The role of migration in gene flow has also been studied in many species. [7] Parasite loads affect migration. Severely infected individuals are weak and have shortened lifespans. [8] Infection creates an effect known as culling whereby migrating animals are less likely to complete the migration. This results in populations with lower parasite ...
Animal migration; Bird migration; Plant migration, see Seed dispersal, the movement or transport of seeds away from the parent plant; Gene migration, a process in evolution and population genetics; Cell migration, a process in the development and maintenance of multicellular organisms Collective cell migration, describing the movements of group ...
Around the world, migrating animals face enormous challenges and threats along their journeys — and at the places where they breed or feed. Migratory animals face sharp declines. How we in New ...