Aves And Mammals
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- Words: 200
- Pages: 12
AVES (Birds)
CHARACTERISTICS OF BIRDS & Thin skin covered in feathers & Oil gland located at base of tail for smoothing & waterproofing feathers & Hollow, fused bones and wings & Scales on legs & feet (2) & Vocal cords to make sounds
& Four (4) chambered heart & RESPIRATION: Lungs w/air sacs & DIGESTION: Crop for food storage and Gizzard for grinding food
&REPRODUCTION: Internal Fertilization Producing Amniotic eggs & ENDOTHERMIC
& About 9000 varying species
MAMMALS
MAMMAL : An endothermic vertebrate w/hair or fur, fat, nails OR CLAWS.
Mammals get their name FROM females w/specialized glands called mammary glands (secretes milk for nourishment)
& 4 chambered heart
& ENDOTHERMIC
& Live in almost every environment
& Skeletal Structure made of bone
& Largest & most well developed brain
& RESPIRATION: Lungs w/diaphragm
& Vocal cords for sound
& Senses such as sight, smell, taste & hearing
& REPRODUCTION: Internal Fertilization
3 TYPES OF REPRODUCTIVE MAMMALS MONOTREMES: (egg-laying) the mammal reproduces by Laying eggs that are incubated by mother’s body heat. Echnida Duck-billed platypus
MARSUPIAL: Young develops inside the mother’s pouch -- Such as kangaroos, koalas, & oppossum
PLACENTAL: YOUNG IS DEVELOPED AND NOURISHED INSIDE MOTHER’S BODY UNTIL BIRTH.
CHARACTERISTICS OF BIRDS & Thin skin covered in feathers & Oil gland located at base of tail for smoothing & waterproofing feathers & Hollow, fused bones and wings & Scales on legs & feet (2) & Vocal cords to make sounds
& Four (4) chambered heart & RESPIRATION: Lungs w/air sacs & DIGESTION: Crop for food storage and Gizzard for grinding food
&REPRODUCTION: Internal Fertilization Producing Amniotic eggs & ENDOTHERMIC
& About 9000 varying species
MAMMALS
MAMMAL : An endothermic vertebrate w/hair or fur, fat, nails OR CLAWS.
Mammals get their name FROM females w/specialized glands called mammary glands (secretes milk for nourishment)
& 4 chambered heart
& ENDOTHERMIC
& Live in almost every environment
& Skeletal Structure made of bone
& Largest & most well developed brain
& RESPIRATION: Lungs w/diaphragm
& Vocal cords for sound
& Senses such as sight, smell, taste & hearing
& REPRODUCTION: Internal Fertilization
3 TYPES OF REPRODUCTIVE MAMMALS MONOTREMES: (egg-laying) the mammal reproduces by Laying eggs that are incubated by mother’s body heat. Echnida Duck-billed platypus
MARSUPIAL: Young develops inside the mother’s pouch -- Such as kangaroos, koalas, & oppossum
PLACENTAL: YOUNG IS DEVELOPED AND NOURISHED INSIDE MOTHER’S BODY UNTIL BIRTH.
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