A) It is a key discipline for understanding how animals change over Earth's history.
B) It is a key discipline for understanding the fundamental biology of all animals.
C) It is a key discipline for understanding human health and disease.
D) It is a key discipline for understanding the health and disease of nonhuman animals.

A) Tracking a bird for the duration of the migratory path and estimating its energy usage over that distance
B) Using a wind tunnel to measure metabolic rate at various flight speeds, then using that information to estimate energy usage during the migration
C) Measuring resting metabolic rate in a lab setting and calculating its exercise rate to estimate total usage during the migration
D) Measuring oxygen consumption with some sort of implanted device that the bird carries for the duration of the migration

A) Studying salmon migration is important to salmon but not necessarily to humans.
B) Salmon and humans can harbor many of the same diseases.
C) Salmon are an important source of food for humans.
D) Salmon are an important food source for many local vertebrate species.