the animal kingdom vertebrates: animals with true backbones (phylum chordata)
TRANSCRIPT
THE ANIMAL KINGDOM
VERTEBRATES: Animals with true backbones (PHYLUM
CHORDATA)
Kingdom Animalia All vertebrates have
bilateral symmetry All vertebrates are
sexual
Multicellular with true tissues
Specialized eukaryotic cells
Muscular/nervous systems unique to animals
Have their own means of locomotion
Consumers- ingest food
1,326,239 classified species
9,812,298 total species
Fish Aquatic/marine Fins- Projections that allow for turning
and balance Swim Bladder- Sac-like organ that
holds air for floatation Gills- Remove oxygen from water Two-chambered heart External fertilization
Class Osteichthyes (Pisces): Bony fish
Catfish * Red snapper
Giant Asian catfish
Class Chondrichthyes: Cartilagenous fish
Great white shark
Class Chondrichthyes: Cartilagenous fish
Skate
Sting ray
Class Agnatha Jawless fish with vertebrae Many parasitic Lampreys
Class Myxini Jawless fish without
vertebrae Partial cranium Tentacles around
mouth Mucus secreting Hagfish
Class Amphibia Smooth moist skin Mucus secreting- Chemical defense Three chambered heart Some skin breathing Two life stages: water and land
– Born with gills– Develop lungs later in life
External fertilization
Class Amphibia Poison dart frog
Example: Warning coloration
Marble Salamander
Class Reptilia Dry, scaly skin Many have claws and fangs
(mechanical defense) Amniotic egg- soft, leathery shell Three chambered heart Internal fertilization
Class Reptilia Left- Coral snake
– Example: Warning coloration
Right- Scarlet king snake– Example: Mimicry
Class Reptilia Alligator
Crocodile
Giant Croc found in New Orleans after hurricane
Class Reptilia
Turtles
Class Aves Covered with feathers Feathers serve as insulation/flight Hollow bones Beaks are an adaptation to food sources Hard, calcium-enriched shell Four chambered heart Internal fertilization
Class Aves Bald eagle
Gray heron
Class Aves Ostrich
Penguins
Class Mammalia Covered in fur Females produce milk for the young Parental care for young Internal fertilization
Class Mammalia Order
Monotremata: Egg-laying mammals
– Duck-billed platypus
– Spiny anteater
Class Mammalia Order Marsupials:
Pouch mammals– Young born
underdeveloped– Finish developing in
pouch Kangaroos
Koalas
Class Mammalia Order Marsupials
– Opossum
– Wombat
Class Mammalia
Order Marsupials Tasmanian devil
Class Mammalia Order Placentals
– Young fully develop inside the mother in a sac-like organ called the placenta
Dolphins– Use echolocation to
see at night Humpback whales
– Baleen- Device in a whales mouth used to filter food parties
Class Mammalia Order Placentals
– Armadillo
– Grizzly bear
Class Mammalia
Order Placental Bats
– Bats use echolocation to see also
Class Mammalia Arctic mammals
Example: Convergent evolution
Lion Example:
Camouflage