Why do animals migrate?
The key purpose of migration for populations is to improve what type of success?
Reproductive
Which interaction explains why gazelle follow wildebeests instead of zebras?
Facilitation
Name 2 broad categories of animals that migration occurs
Insects, fish, birds, mammals, and reptiles
Migration helps reduce __________ with others by spreading out to new habitats.
Competition
Why do zebra typically migrate ahead of wildebeest in the Serengeti?
Competition for forage
Migration is repeated and predictable, meaning it is __________
Seasonal
Migration continues even when food is present. What does that show about what drives it?
It is independent of immediate resources
What happens to grass productivity when wildebeest graze heavily on it?
Increases (It grows back fresher and more nutritious)
Why does migration matter for population persistence over time?
Allows animals to track suitable environments