Simplify the following text for a Grade 5 native English-speaking person.
Original: Under the tutelage of her lifeguard mother , Alba learned to swim before she could walk , and she was a PADI-certified scuba diver , skills which were put to use on the show , which was filmed in Australia .
Simplified: Her mother was a lifeguard and had taught Jessica to swim before she could walk . She is a certified scuba diver .