We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byCharles Booth
Modified over 2 years ago
Part 5 – Living on Land From fish to (terrestrial) tetrapod
“fishes”tetrapods The Transition
Challenges of terrestrial living
The players …..
† Shallow water, freshwater aquatic tetrapod (lobe-finned fish)
Icthyostega Internal choanae
Aquatic / terrestrial tetrapods
† Primitive aquatic tetrapods
† Primitive terrestrial tetrapods (on the way to amphibians)
2 terrestrial tetrapod groups
Amniotes (reptile/bird, mammal) (Lepospondyli) 1.
† Primitive amniotes (pre- reptile/bird, mammal) (Lepospondyli – husk vertebrae ) 1.
Temnospondyli 2. Amphibians + (many) extinct things
Temnospondyli 2. † Proto-Amphibians (split vertebrae)
2 terrestrial tetrapod groups
Tetrapods † aquatic tetrapods † semi-terrestrial tetrapods † Lepospondyli Amniotes † Temnospondyli Amphibians Terrestrial tetrapods
lobe-fin fish †early tetrapods Lepospondyli Amnoita Temnospondyli Class Amphibia † various dead ends aquatic terrestrial fish tetrapod
Some time scale 6 billion years
Cenozoic Mesozoic Paleozoic 600 million years
Paleozoic Fish Events
Paleozoic Tetrapod events (early)
Paleozoic Tetrapod events (late)
Ordovician terrestrial habitats
Devonian terrestrial habitats
Carboniferous terrestrial habitats
Carboniferous millipede tracks
Meganeura Carboniferous dragonfly 75 cm wingspan
Permian – cooler and drier
Devonian – First tetrapods Panderichthys Tiktaalik Acanthostega Ichthyostega
Carboniferous – tetrapods diversify and move onto land Pederpes Loxomma Amphibamus Tuditanus
Permian – it all almost ends
Living on land
Pre-adaptations Lungs Limbs
Internal choanae Pre-adaptations
Support and Movement
Fish primitive (terrestrial) tetrapod Terrestrial tetrapods Vertebral innovations
Vertebral Column fishes, pre-terrestrial tetrapods
Vertebral Column terrestrial tetrapods
Terrestrial tetrapods zygapophyses
Early Tetrapods Terrestrial Aquatic
Fishes opercular bones present pectoral girdle skull connected *
Panderichthys Lobe-finned Fish Tiktaalik Basal tetrapod = “fish-o-pod” Opercular bones lost
Vantastega Skull / girdle connection lost
Tetrapods have necks
“fish” tetrapod “fish” tetrapod
Pelvic girdle “Fishes” No connection to vertebral column
Lobefin fish Primitive tetrapod no connection connection Pelvic girdle
Eryops Pectoral Pelvic
living amphibian pelvic girdle
Appendicular Skeleton lobe-fin fish aquatic tetrapod
Appendicular Skeleton early terrestrial tetrapod later terrestrial tetrapod
“fish” tetrapod “fish” tetrapod
How many digits?
Physiology and soft anatomy
Switching from gill breathing (with lungs) to lung breathing
“Fish” – gills with lungs Tetrapod – lungs with gills
Gill breathing – with lungs
lobe-fin fish †early tetrapods Lepospondyli Amnoita Temnospondyli Lissamphibia = Class Amphibia (s.s.) † various dead ends aquatic terrestrial fish tetrapod
Origin of Dinosaurs.
Part 6 - Class Amphibia and tetrapod origins. Class Amphibia (sensu stricto) 3 living orders.
Paleozoic Tetrapod Origins/Radiation: Introduction/Overview.
Better Terrestrial living – origin of the amniotes Part 7.
Ordovician The first vertebrates - jawless fishes called ostracoderms.
(7 th ) Chapter 8-5 Cornell Notes. Chapter 8-5 Key Questions Why is the geologic time scale used to show Earth’s history? What were early Precambrian.
Amphibians of the Northeast
Scientific articles for Friday oral reports: 1)Must be from peer-reviewed journal, not website 2)Must get access to entire article, not just abstract as.
II. Animal Diversity 3. Vertebrata c. Jawed Fishes - Placoderms(extinct – survived to Permian) - Cartilaginous fish (Class: Chondrichthyes) - Bony Fish.
Origins of the Tetrapods To find the earliest “AMPHIBIANS,” we can look to freshwater sedimentary deposits in Greenland and Russia, which date to the late.
AMPHIBIANS. HERPETOLOGY = the study of reptiles and amphibians.
What do these rocks have in common
Geologic Time Scale Chapter 17. Formation of Earth 4.6 billion years old Took 100 million years to form.
The Paleozoic Era! Time for BIG changes!.
Coal Limestone Fossil Coral. The Organisms’ Chapter of the Rock Story Still needs revision. Get some coral for the kids to look at. Horn Coral in with.
II. Animal Diversity C. Bilateria 2. Deuterostomes – blastopore forms anus c. Chordata: 3. Vertebrata - four traits - vertebral column - trends: - increased.
Fossils and Geologic Time Scale Chapter 17. What’s It All About Essential Question: Can relative dating and relative frequency be a trusted thing? Objectives:
Life and Geologic Time Majority of life in the history of Earth, 4.6 billion years, is confined to the past 600 million years. This life as outline.
17-3 Evolution of Multicellular Life
The Carboniferous Period
CLASSIFICATION. ANIMALS VERTEBRATES HAVE A SKELETON WITH bones, SPINAL COLUMN AND SKULL INVERTEBRATES DON´T HAVE INNER SKELETON WITH SPINAL COLUMN AND.
Fossils and Evolution By Lauren Raynault 1/7/09 Science, Mr. Civita.
Post Darwinian Developments III. Paleontology A. Intermediate Fossils.
Section 6 – Eras of Earth’s History
End Show Slide 1 of 30 Copyright Pearson Prentice Hall Biology.
SUBPHYLUM VERTEBRATA Class Amphibia. Origin and Evolution of Amphibians Introduction About 400 million years ago, the first amphibians evolved from.
Vertebrate Characteristics Kingdom Animalia; Phylum Chordata; Subphylum Vertebrata.
Evidence of Evolution [15.2] SPI 5 Apply evidence from the fossil record, comparative anatomy, amino acid sequences, and DNA structure that support modern.
18.16 Lampreys are vertebrates that lack hinged jaws –Lampreys represent the oldest living lineage of vertebrates Suspension feeders in freshwater streams.
The origin of tetrapods and movement onto land
Life in the Paleozoic Era Chapter 13 Section 2. The Cambrian Period The Cambrian Explosion: a span of about 15 million years when many new types of invertebrates.
Amphibians and Reptiles
Stuart S. Sumida Biology 342 Phylogeny of Basal Tetrapoda.
PALEOZOIC ERA (542 Mya Mya) Andrea Villalba, Fabiola Ferrabone, Alfredo de Obaldia, Nicole Cortez.
Copyright © 2014 All rights reserved, Government of Newfoundland and Labrador Earth Systems 3209 Unit: 2 Historical Geology Reference: Chapters 6, 8; Appendix.
Geologic Time Basics. Earth’s history is huge! In order to understand earth’s history, humans must think in much larger units of time than those we use.
17-3 Evolution of Multicellular Life How multicellular life evolved from its earliest forms to its present day diversity.
The Vertebrates 1 Vertebrates Part 3 – Amphibians & Reptiles Tetrapods (four limbs) Hypotheses of tetrapod evolution Lobe-finned fishes had an evolutionary.
Vertebrates Vertebrate Survey Anatomy and Physiology of Vertebrates.
Precambrian Era (put these events in order) Photosynthetic Cyanobacteria (blue-green algae) create oxygen gas which began to form our atmosphere Oceans.
Foothill High School Science Department The History of Life Evolution of Multicellular Life.
Tiktaalik Fills Another Gap. Searching for Transitionals Estuary or tidal flat Warm, equatorial climate Late Devonian era, around 370 million years.
Paleozoic ( mya) events. Late Paleozoic-key things ･ ･ Several key things happen beginning at the end of the Silurian through the Permian - -
Amphibians. Vertebrates that are aquatic as larvae and terrestrial as adults, breathe with lungs as adults, have a moist skin that contains mucus glands,
Reading Assignment: Chapter 4 Blood & Circulation end.
TIMELINE Eras of Phanerozoic Sample presentation created by iSpring Solutions Inc.
The geologic time scale shows Earth’s past.
Amphibians Chapter 40 ( ) Chapter 40 Amphibians.
Geologic Time Scale Spring th Grade.
Ancestor Amphibians – evolved from lobe-finned fish Ichthyostega presents rudimentary amphibian features (different from fish) – Girdles (pelvic and.
© 2017 SlidePlayer.com Inc. All rights reserved.