290 likes | 447 Views
MAMMALS. ENDOTHERMIC2 PAIRS OF APPENDAGES5 000 SPECIESGROUPINGS BASED ON HOW YOUNG DEVELOPS FROM BIRTH. 5 CHARACTERISTICS. HAIR / FURVIVIPAROUS give birth to live youngMAMMARY GLANDS Nurse youngNURTURE YOUNG provide care for youngWELL DEVELOPED BRAIN. THREE MAMMAL GROUPS. 1. MONOTREMATAOviparousLay eggs with hard leathery shellsNative to Australia Duckbilled platypusSpiny anteater.
E N D
1. MAMMALS Mammology
Study of mammals
2. MAMMALS ENDOTHERMIC
2 PAIRS OF APPENDAGES
5 000 SPECIES
GROUPINGS BASED ON HOW YOUNG DEVELOPS FROM BIRTH
3. 5 CHARACTERISTICS HAIR / FUR
VIVIPAROUS
give birth to live young
MAMMARY GLANDS
Nurse young
NURTURE YOUNG
provide care for young
WELL DEVELOPED BRAIN
4. THREE MAMMAL GROUPS 1. MONOTREMATA
Oviparous
Lay eggs with hard leathery shells
Native to Australia
Duckbilled platypus
Spiny anteater
5. THREE MAMMAL GROUPS 2. MARSUPIALS
Young must crawl to pouch to nurse
Native to Australia
Kangaroo / koala
North America---opposum
7. THREE MAMMAL GROUPS 3. PLACENTALS
Young are nourished within mother’s body
Placenta
Organ through which nutrients, oxygen, and wastes pass between mother and embryo
9. PLACENTAL MAMMALS GROUPED BY
How and what they eat
How they move about
Where they live
10. 12 ORDERS OF PLACENTAL MAMMALS
11. 1. ORDER RODENTIA RODENTS
sharp teeth for gnawing / cutting
Must be ground down
Rats / mice / squirrel / beaver
12. 2. ORDER CHIROPTERA FLYING MAMMALS
Stretched skin makes wings
bats
13. 3. ORDER CARNIVORA MEAT EATING
Specialized teeth for tearing
Lion/ wolf/ bears/ tiger
14. 4. ORDER PROBOSCIDEA Trunk animals
Elephants 3 types
Indian elephant
Asian elephant
African elephant
15. 5. ORDER INSECTIVORA Insect eating mammals
Specialized structures for insect gathering
Giant anteater / moles /shrews / hedgehog
16. 6. ORDER ARTIODACTYLA EVEN-TOED MAMMALS
Split hooves
Deer / cattle / camel / goat / sheep
17. ANTLERS / HORNS ANTLERS ARE SHED ANNUALLY
DEER
HORNS
DO NOT FALL OFF
BIG HORN SHEEP
18. 7. ORDER PERRISODACTYLA ODD TOED MAMMALS
Horses / zebra
19. 8. ORDER EDENTATA TOOTHLESS
NO FRONT TEETH
ARMADILLOS / SLOTH / GIANT ANTEATER
20. 9. ORDER CETACEA Mammals that must stay in water
whales / dolphins / porpoises
NO GILLS
Must surface to breathe
viviparous
21. 10. ORDER SIRENIA Aquatic herbivores
plant eaters
Manatees
endangered due to boat propellers
22. 11. ORDER LAGOMORPHA Rabbit –like mammals
Rabbits / pikas
24. 12. ORDER PRIMATA OPPOSABLE THUMB
PERMITS GRIPPING OBJECTS
EYES FACING FORWARD
BINOCULAR VISION
DEPTH PERCEPTION
200 SPECIES
BABBOON / MONKEY / GORILLA /CHIMPANZEES
SOCIAL ANIMALS
25. UNIQUE HUMAN CHARACTERISTICS Verbal communication
Capable of tool construction and usage
26. SPECIALIZED TEETH Designed for the type of food eaten
Herbivore
plant eater
teeth are wide and flat
Carnivore
meat eater
teeth are sharp and pointed
27. SPECIALIZED TEETH 4 types
INCISORS in front
Chisel like / CUTS food
CANINES
pointed / TEARS food
28. SPECIALIZED TEETH PREMOLARS
CRUSHES and GRINDS food
MOLARS
CRUSHES and GRINDS food
29. DIGESTIVE SYSTEM Carnivores
One stomach / short intestines
Herbivore
Specialized stomach / long intestines
PLANTS TAKE LONGER TO DIGEST THAN MEAT
30. RUMINANTS CUD CHEWERS
Cud - regurgitated plant matter
Four stomachs