401 - Biological and Natural Resources
403 - Microbiologist
404 - Biological Science Technician
405 - Pharmacologist
408 - Ecologist
410 - Zoologist
413 - Physiologist
414 - Entomologist
415 - Toxicologist
430 - Botanist
434 - Plant Pathologist
435 - Plant Physiologist
437 - Horticulturist
440 - Geneticist
454 - Rangeland Management
455 - Range Technician
457 - Soil Conservationist
458 - Soil Conservation Technician
460 - Forester
462 - Forestry Technician
470 - Soil Scientist
471 - Agronomist
480 - Fish and Wildlife Administrator
482 - Biologist, Fishery
485 - Wildlife Refuge Manager
486 - Biologist, Wildlife
487 - Animal Scientist