Migration, like reproduction and other phases (as molting in birds), is part of the life cycle and depends on a complex internal rhythm that affects the whole organism, particularly the endocrine glands (glands of internal secretion) and the gonads.
What type of stimuli is migration?
Among the stimuli or causes suggested for migration were changes in temperature, changes in rainfall, changes in atmospheric pressure, changes in hu- midity, changes in food supply, urge to reproduce, urge to return to ancestral home, seeking of additional space for reproductive activities, freezing of lakes and …
Is migration an internal adaptation?
Migration is a behavioral adaptation. It is something that animals have learned to do over time in order to help them survive.
Is migration behavioral physiological or both?
Migration requires specialized traits of behavior and physiology that are rarely, or never, expressed together in resident species.
What is internal and external migration?
internal migration: moving within a state, country, or continent. external migration: moving to a different state, country, or continent. emigration: leaving one country to move to another.
Which of the following is a movement of an organism away a stimulus?
Taxis is a form of movement behavior that involves movement towards or away from a stimulus. This movement can be in response to light, known as phototaxis; chemical signals, known as chemotaxis; or gravity, known as geotaxis—among other stimuli.
What are two examples of external stimuli?
The external stimulus includes touch and pain, vision, smell, taste, sound, and balance (equilibrium). These sensory stimuli are activated by external changes. Pain and touch: Pain is the stimulus that can cause a major response from the body.
What is migration in economic?
Economic migration is the movement of people from one country to another to benefit from greater economic opportunities in the receiving country. … For others, migration is the means to escape poverty, gain better opportunities for their children and obtain job security which may be lacking in their home countries.
Is migration a habitat or niche?
Habitat: Niche: Step 2: Each of the following words is either an organism, a habitat, or a niche.
|7 coyote||den||scavenger, carnivore|
|8 snake||under a rock||carnivore|
|10 human||house||migration, omnivore|
What is temporary migration?
Temporary or circular migration is a move made for a short period of time with the intention of returning to the place of usual residence. An important group of temporary migrants consists of seasonal migrants, who combine activity at several places according to seasonal labour requirements (Keshri and Bhagat 2010).
What is the one way only migration?
One-way migrations, found mainly in insects and marine larvae, carry animals from a location where they were produced to another where they breed and produce the next generation (or generations) before dying; a succession of such one-way movements through a series of breeding areas may form a multiple-generation round …
How migration can migration influence biological diversity?
Migration, in particular, affects biodiversity at regional and global scales, and migratory animals affect ecosystem processes. Animals use predictable environmental cues for the timing and navigation of migration. A change in these cues will affect the phenology and extent of migration.
Do mammals migrate?
True migration among mammals occurs mostly among large artiodactyls (even-toed ungulates) living in habitats with wide fluctuations of climatic and biotic conditions. … These migrations follow the same routes from year to year.
What is an example of internal migration?
Internal migration involves movement within a nation-state (e.g., the United States). Mikey’s movement from New York to New Hampshire is a good example of internal migration.
What is called internal migration?
Internal migration is the movement of people between usual residences within national states. This article starts with a description of the levels of residential mobility and degrees of interregional migration in industrialized countries.
Why does internal migration occur?
Internal migration tends to be travel for education and for economic improvement or because of a natural disaster or civil disturbance. Cross-border migration often occurs for political or economic reasons.