AP BIOLOGY

Detailed explanation-1: -Migration is the seasonal movement of animals from one habitat to another in search of food, better conditions, or reproductive needs.

Detailed explanation-2: -Most species migrate during specific seasons, in search of food or water, or for mating reasons. Different species obey different internal and external signals that cue their migration. Animals find their way by using an internal compass and mental maps, as well as other cues, to help them navigate.

Detailed explanation-3: -Organisms move from one place to another during specific seasons. This seasonal movement is called migration. They migrate to excape the change in climatic conditions, in search of food, for reproduction, etc.

Detailed explanation-4: -Seasonal human migration is the movement of people from one place or another on a seasonal basis. It occurs most commonly due to seasonal shifts in demand for labor. It includes migrations such as moving sheep or cattle to higher elevations during summer to escape the heat and find more forage.

Detailed explanation-5: -Option A, ‘seasonal movement of people with their livestock’ is termed as transhumance where people seasonally move, i.e. in winters they move to valleys and in summers to mountains or mid altitudes.