Final answer:
Animal movement structures, such as wings, legs, or fins, have functions including migrating to mating spots and escaping from predators, which are essential for their survival and reproduction.
Step-by-step explanation:
The functions of an animal's movement structures like wings, legs, or fins include enabling them to perform crucial activities necessary for survival and reproduction. Two correct functions that these structures facilitate are: migrating to mating spots, which is essential for the continuation of species, and escaping from predators, which is a key aspect of an animal's defense mechanisms.
Examples of these structures at work can be found across various species: A penguin uses its wings to swim, a feature critical for both feeding and escape from predators, while a seagull uses its wings to fly, potentially aiding in both migration and evasion. Similarly, the streamlined body shapes and fins of both sharks and dolphins illustrate adaptations for efficient movement through water, enabling them to hunt for food and avoid threats. Additionally, the evolution of limbs in terrestrial mammals to accommodate running, jumping, or climbing serves multiple functions, including reaching new habitats or escaping predators.