This Part IV / VI of the Taxonomy and Classification Unit. The full version of this unit comes...

• This Part IV / VI of the Taxonomy and Classification Unit. The full version of this unit comes with…– Six part 3,900 hundreds slide PowerPoint roadmap. – 23 page bundled homework package that

chronologically follows the PowerPoint slideshow.• Answer Keys and Modified HW provided.

– 28 pages of detailed unit notes.– 27 video shorts, rubrics, crossword puzzles, lab /

activity sheets, and more.– 2 PowerPoint review games.– Instant digital download of the entire unit ($9.99)– http://www.sciencepowerpoint.com/Taxonomy_Classifi

cation_Unit.html

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• RED SLIDE: These are notes that are very important and should be recorded in your science journal.

Copyright © 2010 Ryan P. Murphy

Please use this red Please use this red lineline

-Please make notes legible and use indentations when appropriate.

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-Skip a line between topics -Don’t skip pages


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-Make visuals clear and well drawn.

• RED SLIDE: These are notes that are very important and should be recorded in your science journal.

• BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly.


• Keep an eye out for “The-Owl” and raise your hand as soon as you see him.– He will be hiding somewhere in the slideshow


• Keep an eye out for “The-Owl” and raise your hand as soon as you see him.– He will be hiding somewhere in the slideshow

“Hoot, Hoot”“Good Luck!”


New Area of Focus: Learning about New Area of Focus: Learning about the Order Mammalia.the Order Mammalia.


• Therapsid: The first mammal like reptile.


• Legs and hips changed from walking like a modern day alligator, to more like a coyote.

• Oldest Mammal Fossil Eomaia scansoria lived 125 million years ago.


• Oldest Mammal Fossil Eomaia scansoria lived 125 million years ago.– Young born alive and nourished with a

placenta.


• These small mammals lived during the time of the dinosaurs.– Hiding in the small places of the earth and

climbing in the trees.– Many were insectivores.


• Don’t forget about the K-T Mass Extinction event..

• Don’t forget about the K-T Mass Extinction event. When the dust cleared,

• Don’t forget about the K-T Mass Extinction event. When the dust cleared, the dinosaurs were extinct and the surviving mammals inherited the earth.

• Mammals range in size.– Smallest mammal Sorex minutus (Pygmy

Shrew).


• A poisonous mammal, Short tailed shrew (Blarina brevicauda).


• Largest Mammal, the Blue Whale (Balaenoptera musculus).– Over 100 feet long.


• The bat, Order Chiroptera is the only mammal capable of sustained flight.


• A flying squirrel, Order: Rodentia. Family: Sciuridae. Subfamily: Sciuridae can glide through the air but cannot fly.


• Largest rat in the world was just recently discovered in a volcano crater in Papua New Guinea.


• Activity! Listen to the video Mammal by TMBG – They Might Be Giants.– Record as much information as you can about

mammals from the song in your journal.– http://www.youtube.com/watch?v=3fmzNeHN

sc4


http://www.youtube.com/watch?v=3fmzNeHNsc4

http://www.youtube.com/watch?v=3fmzNeHNsc4

3 subclasses of mammals3 subclasses of mammals------


Eutheria: Placental Mammals.Eutheria: Placental Mammals.


• After a female mammal gives birth, the placenta is released.


• Picture of human placenta. Size of a small plate, and is released from mother uteran wall shortly after childbirth.


Metatheria (Marsupials).Metatheria (Marsupials).


• Why are marsupials mostly found on Australia?


• Answer! Australia moved away from Pangea. (Continental Drift)– The animals evolved differently, with

marsupials dominating and radiating.


• What is the name of this animal?


• Answer! Didelphis virginiana / Opossum: North America’s only marsupial.


• People often mistake opossum’s Didelphis virginiana for large rats such as Rattus rattus .


• Which is a opossum and which is a rat?

• Most marsupials are only found in Australia. Most North and South American marsupials have become extinct.


• Most marsupials are only found in Australia. Most North and South American marsupials have become extinct.– Why did these marsupials go extinct in North

and South America.


• Answer! Eutherian placental mammals have outcompeted these marsupials to extinction.


• Why would placental mammals be better than marsupials?


• Why is it better to be a placental mammal?


• Answer! Placental babies are protected and don’t fall off / exposed / lost like marsupial babies.


• Answer! Placental babies are protected and don’t fall off / exposed / lost like marsupial babies.

““I can’t hold on I can’t hold on any longer!”any longer!”

““Oh-No!”Oh-No!”


Prototheria / Monotremes (Egg Prototheria / Monotremes (Egg laying mammals).laying mammals).


• Baby Echidna: Cute or not! Class Poll.– Thumbs Up = Cute– Thumbs Down = Gross

• Baby Platypus: Cute or not! Class Poll.– Thumbs Up = Cute– Thumbs Down = Gross

• The duck billed platypus is another poisonous mammal.

– It has venom glands and spurs on its back legs.


• Video! The duck-billed platypus Ornithorhynchus anatinus.– http://www.youtube.com/watch?v=OVneqhu9oZk – Question, What physical features makes this

mammal one of the most unique creatures on Earth?

http://www.youtube.com/watch?v=OVneqhu9oZk

• Video Link! Duck Billed Platypus.– Less Hollywood and more Information.– http://www.youtube.com/watch?v=OVneqhu9oZk

http://www.youtube.com/watch?v=OVneqhu9oZk

Characteristics of MammalsCharacteristics of Mammals -- -- -- -- -- -- -- -- --


• This Part III / VI of the Taxonomy and Classification Unit. The full version of this unit comes with…– Six part 3,900 hundreds slide PowerPoint roadmap. – 23 page bundled homework package that

chronologically follows the PowerPoint slideshow.• Answer Keys and Modified HW provided.

– 28 pages of detailed unit notes.– 27 video shorts, rubrics, crossword puzzles, lab /

activity sheets, and more.– 2 PowerPoint review games.– Instant digital download of the entire unit ($9.99)– http://www.sciencepowerpoint.com/Taxonomy_Classifi

cation_Unit.html



• More Units Available at…

Earth Science: The Soil Science and Glaciers Unit, The Geology Topics Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The River Unit, The Water Molecule Unit.

Physical Science: The Laws of Motion and Machines Unit, The Atoms and Periodic Table Unit, The Energy and the Environment Unit, and The Introduction to Science / Metric Unit.

Life Science: The Diseases and Cells Unit, The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology: Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural Selection Unit and The Human Body Systems and Health Topics Unit.

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