AP BIOLOGY

EVOLUTION

DARWIN’S THEORY OF NATURAL SELECTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How can migration enhance the survival of organisms?
A
Migration causes adaptations to occur more frequently.
B
Migration helps organisms to avoid predators.
C
Migration requires organisms to exert a lot of energy.
D
Migration makes finding necessary resources more likely.
Explanation: 

Detailed explanation-1: -Migration is exhibited by every major animal taxon and, ultimately, maximizes survival and reproductive success through the utilization of key habitats, food sources and breeding grounds and/or the avoidance of adverse environmental conditions (Dingle and Drake, 2007).

Detailed explanation-2: -Migratory animals are essential components of the ecosystems that support all life on Earth. By acting as pollinators and seed distributors they contribute to ecosystem structure and function. They provide food for other animals and regulate the number of species in ecosystems.

Detailed explanation-3: -It lowers the unemployment rate, which reduces job rivalry. It creates less demand on natural resources and services such as food, water, education, and healthcare. In addition, the countries of origin benefit from the migrants who return home after they have acquired new skills and knowledge in the host country.

Detailed explanation-4: -Some people move in search of work or economic opportunities, to join family, or to study. Others move to escape conflict, persecution, terrorism, or human rights violations. Still others move in response to the adverse effects of climate change, natural disasters, or other environmental factors.

There is 1 question to complete.