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VERTEBRATES: Animals with true backbones (PHYLUM CHORDATA)

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Presentation on theme: "VERTEBRATES: Animals with true backbones (PHYLUM CHORDATA)"— Presentation transcript:

1 VERTEBRATES: Animals with true backbones (PHYLUM CHORDATA)

2 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

3 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

4 Class Osteichthyes (Pisces): Bony fish
Catfish * Red snapper

5 Giant Asian catfish

6 Class Chondrichthyes: Cartilagenous fish
Great white shark

7 Class Chondrichthyes: Cartilagenous fish
Skate Sting ray

8 Class Agnatha Jawless fish with vertebrae Many parasitic Lampreys

9 Class Myxini Jawless fish without vertebrae Partial cranium
Tentacles around mouth Mucus secreting Hagfish

10 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

11 Class Amphibia Poison dart frog Marble Salamander
Example: Warning coloration Marble Salamander

12 Class Reptilia Dry, scaly skin
Many have claws and fangs (mechanical defense) Amniotic egg- soft, leathery shell Three chambered heart Internal fertilization

13 Class Reptilia Left- Coral snake Right- Scarlet king snake
Example: Warning coloration Right- Scarlet king snake Example: Mimicry

14 Class Reptilia Alligator Crocodile

15 Giant Croc found in New Orleans after hurricane

16 Class Reptilia Turtles

17 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

18 Class Aves Bald eagle Gray heron

19 Class Aves Ostrich Penguins

20 Class Mammalia Covered in fur Females produce milk for the young
Parental care for young Internal fertilization

21 Class Mammalia Order Monotremata: Egg-laying mammals
Duck-billed platypus Spiny anteater

22 Class Mammalia Order Marsupials: Pouch mammals
Young born underdeveloped Finish developing in pouch Kangaroos Koalas

23 Class Mammalia Order Marsupials Opossum Wombat

24 Class Mammalia Order Marsupials Tasmanian devil

25 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

26 Class Mammalia Order Placentals Armadillo Grizzly bear

27 Class Mammalia Order Placental Bats Bats use echolocation to see also

28 Class Mammalia Arctic mammals Lion Example: Convergent evolution
Example: Camouflage

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