WEBVTT 00:05.266 --> 00:07.700 position:10% line:85% size:80% ZOOLOGY IS THE STUDY OF EVERYTHING HAVING TO DO WITH 00:07.700 --> 00:09.066 position:10% line:85% size:80% ANIMALS. 00:09.066 --> 00:10.533 position:10% line:85% size:80% STUDENT: EVERYTHING? 00:10.533 --> 00:14.333 position:10% line:85% size:80% CARTAN-HANSEN: YES, EVERYTHING, AND FOR ALL KINDS OF ANIMALS. 00:14.333 --> 00:18.700 position:10% line:85% size:80% ZOOLOGISTS, SCIENTISTS THAT STUDY ANIMALS, LEARN ABOUT 00:18.700 --> 00:22.100 position:10% line:85% size:80% THINGS LIKE ANIMALS' ANATOMY, NUTRITION, WHAT THEY EAT, 00:22.100 --> 00:26.367 position:10% line:85% size:80% CONSERVATION, ECOLOGY, WHERE THEY LIVE, THE GENETICS, AND 00:26.367 --> 00:29.166 position:10% line:85% size:80% CELLULAR BIOLOGY, EVERYTHING. 00:29.166 --> 00:31.266 position:10% line:85% size:80% STUDENT: HOW DO THEY START? 00:31.266 --> 00:34.066 position:10% line:85% size:80% CARTAN-HANSEN: WITH OBSERVATIONS AND BY TAXONOMY, OR BY 00:34.066 --> 00:35.700 position:10% line:85% size:80% CLASSIFICATION. 00:35.700 --> 00:39.066 position:10% line:85% size:80% ALL LIVING THINGS ARE DIVIDED INTO THREE DOMAINS, THEN FIVE 00:39.066 --> 00:42.100 position:10% line:85% size:80% KINGDOMS, OF WHICH ANIMALS ARE ONE. 00:42.100 --> 00:45.066 position:10% line:85% size:80% EACH KINGDOM IS DIVIDED INTO EVERSMALLER CATEGORIES OF 00:45.066 --> 00:51.233 position:10% line:85% size:80% PHYLUM, CLASS, ORDER, FAMILY, GENUS, AND SPECIES. 00:51.233 --> 00:54.333 position:10% line:85% size:80% SPECIES ARE THEN DIVIDED UP BASED ON PHYSICAL AND GENETIC 00:54.333 --> 00:56.900 position:10% line:85% size:80% CHARACTERISTICS INTO SUBSPECIES. 00:56.900 --> 01:00.800 position:10% line:85% size:80% TAKE YOUR PET DOG, A DOG BELONGS TO THE ANIMALIA KINGDOM, THE 01:00.800 --> 01:04.867 position:10% line:85% size:80% PHYLUM CHORDATA, THE CLASS MAMMALIA, THE ORDER CARNIVORA, 01:04.867 --> 01:12.800 position:10% line:85% size:80% THE FAMILY CANIDAE, THE GENUS CANIS, THE SPECIES CANIS LUPUS, 01:12.800 --> 01:17.066 position:10% line:85% size:80% AND THE SUBSPECIES CANIS LUPUS FAMILIARIS. 01:17.066 --> 01:20.433 position:10% line:85% size:80% STUDENT: WHY DO ZOOLOGISTS USE SUCH FUNNY NAMES TO CLASSIFY 01:20.433 --> 01:22.233 position:10% line:85% size:80% ANIMALS? 01:22.233 --> 01:25.100 position:10% line:85% size:80% CARTAN-HANSEN: THE NAMES ARE IN LATIN. 01:25.100 --> 01:28.367 position:10% line:85% size:80% THE FIRST CLASSIFICATIONS WERE MADE IN LATIN A LONG TIME AGO. 01:28.367 --> 01:31.734 position:10% line:85% size:80% SCIENTISTS ACROSS THE WORLD, NO MATTER WHAT LANGUAGE THEY SPEAK, 01:31.734 --> 01:35.000 position:10% line:85% size:80% ALL USE LATIN TERMS TO CLASSIFY SO THEY KNOW WHAT THEY'RE 01:35.000 --> 01:36.500 position:10% line:85% size:80% TALKING ABOUT. 01:36.500 --> 01:39.100 position:10% line:85% size:80% SCIENTISTS USE LATIN TO BE PRECISE. 01:39.100 --> 01:40.433 position:10% line:85% size:80% STUDENT: PRECISE? 01:40.433 --> 01:41.734 position:10% line:85% size:80% CARTAN-HANSEN: YES. 01:41.734 --> 01:47.700 position:10% line:85% size:80% WE CAN CALL THIS A CAT, OR THIS A CAT, OR THIS A CAT. 01:47.700 --> 01:50.633 position:10% line:85% size:80% BUT IF YOU WANT TO TELL THE DIFFERENCE AND MAKE SURE 01:50.633 --> 01:55.000 position:10% line:85% size:80% EVERYONE UNDERSTANDS, THEN YOU NEED TO BE PRECISE OR EXACT. 01:55.000 --> 01:58.900 position:10% line:85% size:80% SYSTEMATIC NAMING MAKES SURE THAT THAT ONE SPECIES HAS ONE 01:58.900 --> 02:02.233 position:10% line:85% size:80% NAME NO MATTER WHERE IN THE WORLD IT CAN BE FOUND. 02:02.233 --> 02:05.333 position:10% line:85% size:80% STUDENT: SO IS THAT ALL ZOOLOGISTS DO? 02:05.333 --> 02:06.633 position:10% line:85% size:80% CARTAN-HANSEN: NO. 02:06.633 --> 02:09.700 position:10% line:85% size:80% ZOOLOGISTS HELP US UNDERSTAND HOW ANIMALS LIVE IN OUR WORLD, 02:09.700 --> 02:12.266 position:10% line:85% size:80% HOW THEY INTERACT WITH THE ENVIRONMENT AND HOW ALL 02:12.266 --> 02:15.500 position:10% line:85% size:80% CREATURES LIVE TOGETHER IN THE NATURAL WORLD. 02:15.500 --> 02:19.233 position:10% line:85% size:80% SOME ZOOLOGISTS SPECIALIZE IN SPECIFIC TYPES OF ANIMALS. 02:19.233 --> 02:22.867 position:10% line:85% size:80% FOR EXAMPLE, ARACHNOLOGY IS THE STUDY OF SPIDERS. 02:22.867 --> 02:25.800 position:10% line:85% size:80% ICHTHYOLOGY IS THE STUDY OF FISH. 02:25.800 --> 02:28.800 position:10% line:85% size:80% ORNITHOLOGY IS THE STUDY OF BIRDS. 02:28.800 --> 02:32.433 position:10% line:85% size:80% AND PALEOZOOLOGY IS THE STUDY OF EXTINCT ANIMALS. 02:32.433 --> 02:35.600 position:10% line:85% size:80% ZOOLOGISTS STUDY ANIMALS NOT ONLY TO LEARN ABOUT THEM, BUT 02:35.600 --> 02:40.000 position:10% line:85% size:80% SOMETIMES TO FIND OUT HOW TO SAVE THEM. 02:40.000 --> 02:43.266 position:10% line:85% size:80% CHARLES PETERSON IS A ZOOLOGIST AT IDAHO STATE UNIVERSITY. 02:43.266 --> 02:45.800 position:10% line:85% size:80% HE STUDIES AMPHIBIANS. 02:45.800 --> 02:48.800 position:10% line:85% size:80% HE AND A GRADUATE STUDENT ARE LOOKING FOR FROGS AND WHERE THEY 02:48.800 --> 02:50.166 position:10% line:85% size:80% LIVE. 02:50.166 --> 02:53.333 position:10% line:85% size:80% HE KNOWS IF WE DON'T SAVE CERTAIN TYPES OF WETLANDS, WE 02:53.333 --> 02:56.433 position:10% line:85% size:80% WON'T BE ABLE TO SAVE CERTAIN TYPES OF FROGS. 02:56.433 --> 02:59.967 position:10% line:85% size:80% ZOOLOGISTS TRAVEL ALL OVER THE WORLD TO STUDY ANIMALS, OR THEY 02:59.967 --> 03:01.900 position:10% line:85% size:80% CAN STUDY RIGHT AT HOME. 03:01.900 --> 03:04.900 position:10% line:85% size:80% ZOOLOGISTS ARE INVOLVED IN ANIMAL CONSERVATION, SAVING 03:04.900 --> 03:08.533 position:10% line:85% size:80% ANIMALS FROM EXTINCTION AND IMPROVING THEIR ENVIRONMENTS. 03:08.533 --> 03:11.800 position:10% line:85% size:80% THEY HELP US UNDERSTAND THE BIODIVERSITY IN OUR WORLD, AND 03:11.800 --> 03:15.967 position:10% line:85% size:80% THAT'S IMPORTANT BECAUSE ANIMALS HAVE A BIG IMPACT ON OUR LIVES. 03:15.967 --> 03:18.900 position:10% line:85% size:80% THEY PROVIDE US WITH FOOD, WITH FRIENDSHIP, AND A SENSE OF 03:18.900 --> 03:20.533 position:10% line:85% size:80% WONDER. 03:20.533 --> 03:25.266 position:10% line:85% size:80% SO ZOOLOGISTS HELP US UNDERSTAND HOW LIFE WORKS ON OUR PLANET, 03:25.266 --> 03:28.433 position:10% line:85% size:80% WHICH, IN TURN, HELPS US UNDERSTAND HOW WE WORK IN OUR 03:28.433 --> 03:29.734 position:10% line:85% size:80% WORLD. 03:29.734 --> 03:31.500 position:10% line:85% size:80% STUDENT: THAT'S RIGHT BECAUSE,