SERIES 4:
401 Ice Age
• Paleobiologist • Paleontologist
402 Wet and Dry
• Water Resources Engineer • Archaeologist
403 Talk to the
Animals • Marine Biologist • Veterinarian
404 Food and
Farm • Agricultural Engineer • Nutritionist
405 Birds of
a Feather • Veterinarian • Wildlife Biologist
406 Electronic
Ears • Acoustical Research Engineer • Audio Engineer • Music Professor
• Paleobiologist • Paleontologist
407 Prehistoric
Plants • Paleobotanist • Plant Ecologist
408 Tech Detectives
• Environmental Biologist • Forensic Chemist 409 Bones • Marine Biologist
• Forensic Anthropologist
410 Marine Adventures
• Wildlife Biologist • Marine Biologist
411 Solar Exploration
• Astrogeologist • Astronaut • Systems Engineer
412 Nature's
Predators • Entomologist • Wildlife Ecologist
413 Flight Deck
• Instructor Pilot • Aerospace Engineer