Question

which of the following statements about migration is true?
a. migration is always from one region to another.
b. animals always migrate within a region.
c. migration always negatively impacts an ecosystem.
d. animals migrate for various reasons.
please select the best answer from the choices provided

Explanation:

• Option a: Migration can also occur within a region (e.g., altitudinal migration in mountains), so this is false.
• Option b: Animals can migrate between regions (e.g., birds migrating between continents), so this is false.
• Option c: Migration can have positive impacts (e.g., seed dispersal), so this is false.
• Option d: Animals migrate for reasons like finding food (e.g., wildebeest migration for grass), avoiding harsh weather (e.g., birds migrating to warmer climates), and breeding (e.g., salmon returning to spawning grounds). This is true.

Answer:

D. Animals migrate for various reasons.