MammalsMammalsAleks PopovAleks Popov

Atanas RadovanovAtanas RadovanovYana StoyanovaYana Stoyanova

10/610/6

Mammals CharacteristicsMammals Characteristics Any of a class of higher vertebrates whose bodies are covered Any of a class of higher vertebrates whose bodies are covered

with hair, who give birth to live young, nourishes their young with with hair, who give birth to live young, nourishes their young with milk from mammary glands (milk from mammary glands (the name mammals comes from the name mammals comes from themthem), regulate their body temperature internally, have four types ), regulate their body temperature internally, have four types of well-developed teeth and typically have four well-developed of well-developed teeth and typically have four well-developed legs with toes that have nails, claws or hoofs. legs with toes that have nails, claws or hoofs. (www.ncforestry.com)(www.ncforestry.com)

Bilateral symmetryBilateral symmetry

-the organism can be divided-the organism can be divided

into two equal parts and can move into two equal parts and can move

freely freely

((http://www.thefreedictionary.com/http://www.thefreedictionary.com/

bilateral+symmetry)bilateral+symmetry) ((http://upload.wikimedia.org/wikipedia/http://upload.wikimedia.org/wikipedia/

commons/a/a5/Mam%C3%ADferos.jpgcommons/a/a5/Mam%C3%ADferos.jpg))

Image from: http://www.ucmp.berkeley.edu/phyla/phyla.html

Their Place in the Evolutionary Their Place in the Evolutionary ThreeThree

Mammals, or Mammalia are a class in the Phylum Mammals, or Mammalia are a class in the Phylum Chordata and the Subphylum Vertebrata. Chordata and the Subphylum Vertebrata.

There are 3 Subclasses within the class There are 3 Subclasses within the class Mammalia:Mammalia:

Prototheria or Monotremes (2 species) (lay eggs)Prototheria or Monotremes (2 species) (lay eggs) Metatheria or Marsupials (275 species) (carry Metatheria or Marsupials (275 species) (carry

their young through early infancy)their young through early infancy) Eutheria or placental mammals (3982 species) Eutheria or placental mammals (3982 species)

(carry their young in a placenta and nurture after (carry their young in a placenta and nurture after birth) birth) ((www.earthlife.netwww.earthlife.net))

Characteristics unique to Characteristics unique to MammalsMammals

A female mammal uses its mammary glands to A female mammal uses its mammary glands to produce milk and feed it’s youngproduce milk and feed it’s young

Mammals posses hair in the form no other animal Mammals posses hair in the form no other animal doesdoes

The lower jaw in mammals is a single bone on The lower jaw in mammals is a single bone on either sideeither side

Only the mammal middle ear contains 3 bones. Only the mammal middle ear contains 3 bones. In mammals the main artery leaving the heart In mammals the main artery leaving the heart

curves to the left becoming the aortic archcurves to the left becoming the aortic arch

mammals have a diaphragmmammals have a diaphragm((www.earthlife.netwww.earthlife.net))

(www.earthlife.net(www.earthlife.net))

Characteristics of life of Characteristics of life of mammalsmammals

ReproductionReproduction- SexuallySexually- With care of the young for a long amount With care of the young for a long amount

of timeof time Life CycleLife Cycle- Three stages-before birth, young and adult- Three stages-before birth, young and adult Eating systemEating system- Before birth: from the placentaBefore birth: from the placenta- After birth: with the help of the digestive After birth: with the help of the digestive

systemsystem

Characteristics of life of Characteristics of life of mammalsmammals

Life Cycle DigestionLife Cycle Digestion

http://www.cloudforestvoices.com/CFVimages/Cheetah-6-web.jpg

http://www.whathealth.com/lymedisease/images/tick-lifecycle.jpg

ChimpanzeesChimpanzees((Pan troglodytesPan troglodytes ))

Latin nameLatin name: : Pan troglodytes; Pan troglodytes; Phylum: Phylum: ChordataChordata; Class: ; Class: MammaliaMammalia; Order: ; Order: Primates; Primates; Genus: Genus: PanPan

anthropoidsanthropoids They life mostly in one continent, Africa, and there in They life mostly in one continent, Africa, and there in

savannas and tropical forests.savannas and tropical forests. Generally they eat plants, but also some small animals are Generally they eat plants, but also some small animals are

sometimes included in their daily mealsometimes included in their daily meal Live in groups, each member has a specific functionLive in groups, each member has a specific function Move via their legs and arms using them for both climbing Move via their legs and arms using them for both climbing

and walkingand walking Have an interaction on both the animal and plant life of the Have an interaction on both the animal and plant life of the

areas which they inhabitareas which they inhabit http://www.solarnavigator.net/animal_kingdom/mammals/chimpanzee.htmhttp://www.solarnavigator.net/animal_kingdom/mammals/chimpanzee.htm http://rc-anodizing.tripod.com/PEZT/animalsZT/chimpanzee.htmhttp://rc-anodizing.tripod.com/PEZT/animalsZT/chimpanzee.htm

CatCat((Felis catusFelis catus))

phylum:chordata; class:mammalia; order phylum:chordata; class:mammalia; order CarnivoraCarnivora; family:felidae; family:felidae; genus: Felis;; genus: Felis;

The most popular and abundant animal in the The most popular and abundant animal in the world – can be found everywhere (including world – can be found everywhere (including Antarctica)Antarctica)

Cats hunt small prey; when the cat has an owner it Cats hunt small prey; when the cat has an owner it is free-fed (eats meat)is free-fed (eats meat)

Move using their four legsMove using their four legs One of the most invasive species; can lead to the One of the most invasive species; can lead to the

extinction of some smaller animal (birds for extinction of some smaller animal (birds for example)example)

Blind, deaf, almost without any fur Blind, deaf, almost without any fur start to see, start to see, taste, hear taste, hear after 7 moths they are enough after 7 moths they are enough mature to live on their ownmature to live on their own

http://www.simplepetcare.com/pet-pets/2/CAT/http://www.simplepetcare.com/pet-pets/2/CAT/

African Bush Elephant African Bush Elephant ((Loxodonta africanaLoxodonta africana))

Phylum: chordata; Class:mammalia; Phylum: chordata; Class:mammalia; Order:proboscidae; Family:Elephantidae;Order:proboscidae; Family:Elephantidae;

Can live in Can live in a diverse range of ecosystemsa diverse range of ecosystems Elephants are Elephants are herbivorousherbivorous Can grow up to 7.5 metersCan grow up to 7.5 meters Move via their 4 legs; do not have a wide Move via their 4 legs; do not have a wide

range of movementsrange of movements Can be both beneficial and harmful for the Can be both beneficial and harmful for the

naturenature They are born as small as 115 kg, but can They are born as small as 115 kg, but can

reach up to 6.5 tons (the average is 4.6 tons)reach up to 6.5 tons (the average is 4.6 tons)http://www.seaworld.org/animal-info/info-books/elephants/scientific-classification.htmhttp://www.seaworld.org/animal-info/info-books/elephants/scientific-classification.htm

Interaction of Mammals with Interaction of Mammals with HumansHumans

We contribute to both the preservation and extinction of We contribute to both the preservation and extinction of some speciessome species

Their meat and products are used as food for us Their meat and products are used as food for us An important source of proteins and fatsAn important source of proteins and fats Their skins and fur is used in the production of clothesTheir skins and fur is used in the production of clothes We use some of them (such as horses) for transportation We use some of them (such as horses) for transportation

and farming workand farming work

http://www.teepeeheart.onlinehome.de/cattle.jpg

How do reindeers survive in How do reindeers survive in the extreme cold?the extreme cold?

They eat mossThey eat moss

Works CitedWorks Cited "MAMMALS." Monroe County Women's Disability Network. Web. 27 Mar. 2010. "MAMMALS." Monroe County Women's Disability Network. Web. 27 Mar. 2010.

<http://www.mcwdn.org/Animals/Mammal.html>.<http://www.mcwdn.org/Animals/Mammal.html>. "Glossary of Terms." North Carolina Forestry Association Home Page. Web. 27 Mar. 2010. "Glossary of Terms." North Carolina Forestry Association Home Page. Web. 27 Mar. 2010. <http://www.ncforestry.org/WEBPAGES/CLASSROOM%20ACTIVITIES/Glossary/term.htm>.Cambell, <http://www.ncforestry.org/WEBPAGES/CLASSROOM%20ACTIVITIES/Glossary/term.htm>.Cambell,

Reece, Biology TextbookReece, Biology Textbook "Mammals - Facts and Profiles About Mammals." Animals Wildlife - Animal Facts, Animal Pictures, "Mammals - Facts and Profiles About Mammals." Animals Wildlife - Animal Facts, Animal Pictures,

Habitat Facts, Evolution and Zoology. Web. 27 Mar. 2010. Habitat Facts, Evolution and Zoology. Web. 27 Mar. 2010. <http://animals.about.com/od/mammals/Mammals_Therapsida.htm>.<http://animals.about.com/od/mammals/Mammals_Therapsida.htm>.

"What Is a Mammal." "What Is a Mammal." The Earth Life WebThe Earth Life Web. Gordon Ramel. Web. 27 Mar. 2010. . Gordon Ramel. Web. 27 Mar. 2010. <http://www.earthlife.net/mammals/mammal.html>. <http://www.earthlife.net/mammals/mammal.html>.

"ELEPHANTS". Sea World, Bush Gardens. March 25, 2010 "ELEPHANTS". Sea World, Bush Gardens. March 25, 2010 <http://www.seaworld.org/animal-info/info-books/elephants/scientific-classification.htm>.<http://www.seaworld.org/animal-info/info-books/elephants/scientific-classification.htm>.

"CAT INFORMATION". Simple Pet Care. March 25, 2010 "CAT INFORMATION". Simple Pet Care. March 25, 2010 <http://www.simplepetcare.com/pet-pets/2/CAT/>.<http://www.simplepetcare.com/pet-pets/2/CAT/>.

"Welcome to the Mammals". Earthlife. March 20, 2010 "Welcome to the Mammals". Earthlife. March 20, 2010 <http://www.earthlife.net/mammals/welcome.html>.<http://www.earthlife.net/mammals/welcome.html>.

““Solar navigator”, Chimpanzee, Solar navigator”, Chimpanzee, Nelson Kruschandl, March 27, 2010 http://www.solarnavigator.net/animal_kingdom/mammals/chimpanzee.htmhttp://www.solarnavigator.net/animal_kingdom/mammals/chimpanzee.htm

““Tripod”, Chimpanzee, March 28, 2010 Tripod”, Chimpanzee, March 28, 2010 http://rc-anodizing.tripod.com/PEZT/animalsZT/chimpanzee.htmhttp://rc-anodizing.tripod.com/PEZT/animalsZT/chimpanzee.htm