Phylum chordata classification of animals
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Phylum Chordata Classification of Animals. MS. LEE. Class Agnatha.

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Phylum Chordata Classification of Animals

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Phylum chordata classification of animals

Phylum ChordataClassification of Animals

MS. LEE


Class agnatha

Class Agnatha

Class Agnatha consists of jawless fish - that means that they have no jaws and no true teeth. They also do not have a true vertebrae and their skeletons are made up of fibers and cartilage. They are the oldest of the Chordates that have a vertebrae. There are two main types of jawless fish – the lampreys and the hagfishes.

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Phylum chordata classification of animals

the hagfish are very ugly animals . They are blind, toothless, and likes to eat dead fish. They secrete enormous amounts of slime and often tie themselves into knots.

HAGFISH

SEA LAMPREY

The young are filter feeders while adults are usually parasites – they attach themselves to other fish and suck up tissue and bodily fluids from their hosts.

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Class chondrichthyes

Class Chondrichthyes

Class Chondrichthyes includes sharks, rays, and skates. In Greek, Chondros means cartilage; therefore, all organisms in this class have skeleton made out of cartilage instead of bones. They range from fearsome predators to harmless mollusk eaters.

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Phylum chordata classification of animals

There are over 350 species of sharks. Most of them have large curved tails, torpedo shaped body, and a pointed snout. Sharks can have thousands of teeth in their lifetime. They shed teeth and sometime even grow them in rows. The shark’s skin is very rough and feels like sandpaper. Sharks do not have swim bladders, so they have to constantly be on the move or else, they will sink. In addition, sharks will not get the oxygen that they need if they stop moving and can “drown”.

GREAT WHITE SHARK

HAMMERHEAD SHARK

NURSE SHARK

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Phylum chordata classification of animals

SKATE

Skates are often bottom feeders eating clam, snails, and shrimp. They have pectoral fins that are wide and are called “wings”. They glide across the water, but are very sluggish and slow.

BLUE SPOTTED STINGRAY

These rays like to live in sandy bottoms off the coast of Southeast Asia and the Pacific Ocean. They look very pretty, but are very poisonous to the touch.

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Class osteichthyes

Class Osteichthyes

Animals from Class Osteichthyes are all known as “bony fishes” because their skeleton is made up of bone, or calcified tissue. This is the largest class of vertebrates with over 26,000 species. Although most of the fishes are called ray finned fishes, there is an incredible amount of diversity and speciation.

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Fish of the coral reef

Fish of the Coral Reef

SUNFISH

The sunfish is the largest bony fish in the world. An adult can weight up to 2,200 lbs. It eats only jellyfish. It lives in tropical waters and has very few predators.

CLOWNFISH

The clownfish live in warm waters where coral reefs are abundant. It has a symbiotic relationship with the sea anemone meaning that they help each other out.

FROGFISH

The frogfish lives in the waters off Australia. It is very good at camouflage and mimicry. It will resemble other fish, plants, and even its environment. Many can even change their colors.

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Phylum chordata classification of animals

This tuna is one of the largest and fastest fish around the world. It has one of the longest migratory routes from Iceland to the Gulf of Mexico. It can grow up to 6.5 feet in length and 550 pounds.

ATLANTIC BLUEFIN TUNA

RAINBOW TROUT

This trout is native to the rivers and streams of North America, but will migrate out to sea as an adult. Their diet includes insects, small fish, and crustaceans.

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Class amphibia

Class Amphibia

The word amphibian means “double life”. Class Amphibia include amphibians such as frogs, newts, salamanders, and toads. They are vertebrates that live in the water as larva and then live on land as adults with lungs. Most amphibians need to live nearby water, but some have adapted to life in deserts and tundra.

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Phylum chordata classification of animals

SPADEFOOT TOAD

These toads are native to North America. They like to burrow in the sand or dirt. Many people can hear them during mating season, but rarely see them.

SPLASHBACK POISON DART FROG

These frogs are native to Brazil and other tropical lowlands. Their color act as a warning to predators that they are poisonous.

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Phylum chordata classification of animals

RED SPOTTED NEWT

These newts are native to Eastern United States. They have 3 life stages - aquatic larva, terrestrial juvenile, and aquatic adult. They eat worms, flies, and crickets. They can live for up to 15 years.

SPOTTED SALAMANDER

The spotted salamander likes to live in hardwood forests with ponds nearby for breeding. If a predator takes an arm, leg, or tail, they can grow back another one. They are also poisonous and will produce a white toxic fluid on their backs.

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Class reptilia

Class Reptilia

Class Reptilia have specific characteristics – dry, scaly skin, lungs, and terrestrial eggs. Animals in this class include snakes, turtles, alligators, and lizards. In addition, most reptiles are “cold-blooded” or ectoderms meaning that they rely on their behavior to help control their body temperature.

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Phylum chordata classification of animals

CHAMELEON

Chameleons have specialized cells that help them change colors for camouflage or as an expression of their physiological state. They have very long tongues (about their body length) which they use to catch prey such as insects. They tend to sway when they walk with a side to side gait.

KING COBRA

This snake is the longest venomous snake in the world (18.5 ft. long). They are fierce, agile, and highly deadly predators that are feared.

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Phylum chordata classification of animals

WESTERN POND TURTLE

They live in Western United States. They love to sunbathe and live up to 30 years in the wild.

SALTWATER CROCODILE

These crocodiles are the largest of all the reptiles. They can weigh up to 2,000 lbs and 18 ft. long. They spend most of their time in the swamps and are opportunistic predators.

TUATARA

They are found only on a small island off of New Zealand. They don’t have ears, but they do have a “third eye”.

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Class aves

Class Aves

Birds encompass Class Aves. They have a constant internal temperature, an outer covering of feathers, two legs that are covered in scales, and two front limbs modified into wings. Their bones are hollow and light so that they can fly. Birds are diverse and numerous, but highly visible in their interactions with their environment.

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Phylum chordata classification of animals

TOUCAN

The toucans live near the tropics. They have a compact body, but a large, colorful bill, which helps in thermoregulation, but also in intimidation. They eat mostly fruit.

HUMMINGBIRD

The hummingbirds are the smallest birds. They can beat their wings up to 90 times per second. They are the only birds to fly backwards. They love nectar from flowers

GREAT BLUE HERON

These herons are great wading birds. They eat fish and live in wetlands. They breed in colonies. Parents regurgitate food for their young.

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Class mammalia

Class Mammalia

  • Animals of Class Mammalia are the most highly developed. Key characteristics include having hair, giving milk to their young, breathing air, and generating their own body heat. Mammals range in size from a small rodent to the largest mammal, the blue whale. They have adapted to live on land, water, and air and in all habitats.

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Phylum chordata classification of animals

CAPUCHIN

They are named after Capuchin Monks for their white faces and brown heads. They are small, highly intelligent monkeys. They are self aware and can recognize themselves in the mirror.

HEDGEHOG

They have spines made of keratin. They roll up into a tight ball as a defense mechanism,

STRAW-COLORED FRUIT BAT

These bats are the most widely distributed bats in Africa. They can live in colonies of up to one million members. They are highly social and feed mostly on fruit.

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Phylum chordata classification of animals

KANGAROO

Kangaroos are marsupials and live in Australia. They bear their young live, but it develops in an external pouch.

JAGUAR

Jaguars are the 3rd largest cat. They are carnivores and skillful hunters, but unlike other cats, they bite and crush the skull instead of the neck.

Harp seal pups have white fur, but adults have gray, spotted fur. They have a thick layer of fat to keep them warm.

HARP SEAL

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Phylum chordata classification of animals

The elephant is the largest land animal growing up to 16,000 lbs. They can live up to 70 years and have long memories. Herds are matriarchal and range between 10-50 members.

AFRICAN ELEPHANT

BLUE WHALE

The blue whale is the largest mammal in the world. Their tongue alone can weigh as much as an elephant. A blue whale can consume 800 lbs of krill a day. They live alone or in pairs, but can communicate through sound for up to 1000 miles.

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