Animal Navigation and Migration

These flashcards cover key concepts, definitions, and strategies discussed in Chapter 18 of Animal Physiology regarding navigation, migration, and homing behaviors in animals.

What are the three key concepts outlined in Chapter 18 regarding animal navigation?

Navigation, Migration, and Homing.

What does migration refer to in the context of animal behavior?

Periodic movement from one region to another.

What is homing in animal navigation?

Repeatedly finding way to a specific point.

What is the adaptive significance of animal navigation?

It facilitates food acquisition and breeding strategies.

What is the primary advantage of salmon returning to their natal spot for breeding?

Locally adapted individuals return to the most appropriate environment.

What is the strategy animals use for optimal feeding and breeding?

Breed and mature in a protected site; migrate to a feeding site when mature enough.

What is the waggle dance in honeybees used for?

To convey information about the direction and distance of a food source.

Name one navigational strategy animals use according to Table 18.1.

Compass navigation.

How do desert ants utilize path integration in navigation?

They use direction via the sun's position and distance via proprioception.

What do bees use to assess distance based on their movement?

Optic flow.

What is a significant navigational cue used by some animals, including birds and sea turtles?

Earth's magnetic field.

How do hatchling sea turtles orient themselves when exposed to artificial magnetic fields?

They suggest a magnetic map based on orientation.