Migratory Behaviors
What do obligate migrators have that dictates the timing of their migration?
a. changing environmental conditions
b. very strong genetic predispositions
c. innate sense of current climate
d. highly developed olfactory sense
b. very strong genetic predispositions
Where is migration rare?
a. near the equator
b. in a temperate zone
c. in a mountainous region
d. near a desert habitat
a. near the equator
The best method for managing populations of invasive species is what type of approach?
a. aggressive
b. cautious
c. multifaceted
d. homogeneous
c. multifaceted
The largest over-land migration is the great Nile migration in which multiple species of _________, totaling approximately six million individuals, travel over a thousand miles across South Sudan.
a.wildebeests
b. zebras
c. antelope
d. gazelle
c. antelope
What does DVM, the nightly migration of animals to the surface of the ocean, stand for?
a. Diatomic vertical migration
b. Dimer vertical migration
c. Dichroic vertical migration
d. Diel vertical migration
d. Diel vertical migration
Burmese pythons are native to what region of the world, but they have been imported as pets in Florida and subsequently released?
a. Southeast Asia
b. Western Africa
c. Eastern China
d. Southern Australia
a. Southeast Asia
Which statement BEST explains how molting before migration helps migratory songbirds?
a. It gives them undamaged feathers for smoother flying.
b. It makes their legs stronger.
c. It changes their color so predators cannot see them.
d. It stores extra food inside the feathers.
a. It gives them undamaged feathers for smoother flying
Where does the biological carbon pump deposit excess carbon that is removed from the atmosphere?
a. in sedimentary rock
b. into groundwater
c. deep underwater
d. into bedrock
c. deep underwater
How do insects that take extensively long flights break their trips up over the course of the year?
a. frequent rest stops
b. multiple generations
c. by seasonal migration
d. following waterways
c. by seasonal migration
Research has shown that during the breeding season, a female green sea turtle will be less likely to approach a beach to lay eggs due to which of the following?
a. higher population density
b. bright lighting at night
c. the presence of buildings
d. a lack of foliage and tree growth
b. bright lighting at night
Which of the following shows strong migration instincts that are directly linked to specific genes?
a. facultative migrators
b. nomadic migrators
c. fugitive migrators
d. obligate migrator
d. obligate migrator
Normally, _____________________ are solitary, but they travel together during long migrations before returning to their isolated lives.
a. African elk
b. ruby-throated hummingbirds
c. Arctic tern
d. humpback whales
d. humpback whales