1 / 21

AMPHIBIANS

AMPHIBIANS. COMENIUS PROJECT AS 2013/14. CHARLES DARWIN A 8 ANNI. I THINK. CHARLES ROBERT DARWIN 1809- 1872. ACCORDING TO HIS STUDIES PUBLISHED IN HIS BOOK THE ORIGIN OF SPECIES,1859, WE KNOW THAT ALL LIVING BEINGS DEVELOP FROM A COMMON ANCESTOR. TODAY WE KNOW THAT THIS IS THE.

crescent
Download Presentation

AMPHIBIANS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. AMPHIBIANS COMENIUS PROJECT AS 2013/14 CHARLES DARWIN A 8 ANNI

  2. I THINK CHARLES ROBERT DARWIN 1809- 1872 ACCORDING TO HIS STUDIES PUBLISHED IN HIS BOOK THE ORIGIN OF SPECIES,1859, WE KNOW THAT ALL LIVING BEINGS DEVELOP FROM A COMMON ANCESTOR

  3. TODAY WE KNOW THAT THIS IS THE HERE WE ARE LUCA LAST UNIVERSAL COMMON ANCESTOR

  4. PERHAPS OUR MOST ANCIENT ANCESTOR. L AST U NIVERSAL C OMMON A NCESTOR

  5. THE TREE OF ANIMALS’ LIFE

  6. THE EVOLUTION OF VERTEBRATA GOES FROM FISH TO…..

  7. AMPHIBIANS THE AMPHIBIANS (AMPHIBIA, LINNEO 1758) ARE A CLASS OF VERTEBRATA BELONGING TO PHYLUM CHORDATA ANURANS 1°FOSSIL AMPHIBIANS WERE THE FIRST VERTEBRATA TO COLONIZE THE EARTH’S ENVIRONMENT (TETRAPODI) AND IN THE PAST THEY HAD A GREAT EXPANSION AND DIVERSIFICATION. APOD URODELES

  8. THE DIVERSIFICATION BETWEEN THE TWO MAIN GROUPS, FISH AND AMPHIBIANS, TOOK PLACE FROM 416 TO 360 MILLION YEARS AGO INTHE DEVONIANPERIOD. FOSSIL LIVING FOSSIL

  9. THEIR CLASS NAME DEVELOPS FROM THE FUSION OF TWO GREEK WORDS MEANING DOUBLE AND LIFE.

  10. A FISH WITH LUNGS DIFFUSED IN AUSTRALIA Neoceratodusforsteri IT IS EVIDENT ITS CLOSE RESEMBLANCE TO AMPHIBIANS

  11. THIS CLASS NAME DEVELOPS FROM THE FUSION OF TWO GREEK WORDS ANFI, MEANING DOUBLE AND BIOS MEANING LIFE 1 2 3 IN FACT THE NAME ‘AMPHIBIANS’ IS DUE TO THE AMPHIBIANS CYCLE OF LIFE 4 5 BECAUSE THEY SPEND THE FIRST PART OF THEIR LIFE IN THE WATER AND BECAUSE THESE SPECIES PRESENT A LARVAL PHASE VERY DIFFERENT FROM THE ADULT ONE (DEVELOPED THROUGH METAMORPHOSIS)

  12. AFTER MATING WHAT HAPPENS IN THE WATERS OF THE PONDS

  13. 6000 (SIX THOUSAND) EGGS IN A LONG GELATINOUS DUCT (GANGA) ARE SUSPENDED BETWEEN THE AQUATIC PLANTS

  14. IN A FEW DAYS DEVELOP

  15. INTO TADPOLES

  16. AND WITHIN THREE MONTHS IN A LITTLE TOAD

  17. IN OUR LABORATORY SCIENCE MEET THE TOAD FOR THE FIRST TIME WOW! EXCEPTIONALLY STRONG WE HAVE HEARD HIS HEART BEAT ... BUT ALSO OUR!

  18. TOUCHING A TOAD IS AN EXCITING AND WONDERFUL EXPERIENCE

  19. TOUCHING A TOAD IS AN EXCITING AND WONDERFUL EXPERIENCE

  20. TRY IT!

More Related