u05 vertebrates

Essential Natural Science 1Unit 5

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Contents

Vertebrates

CharacteristicsSymmetryClassification

Mammals

CharacteristicsClassificationHuman beings

Birds

CharacteristicsBird beaks

Reptiles

CharacteristicsClassification Amphibians

CharacteristicsMetamorphosisClassification

Fish

CharacteristicsClassification

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Scientific diagram

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What are vertebrates like?

Symmetry What are mammals like?

How are mammals classified?

Human beings What are birds like?

Bird beaks What are reptiles like?

How are reptiles classifed?

What are amphibians like?

Metamorphosis How are amphibians classified?

What are fish like?

How are fish classified?

Scientific diagram

Resources

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Animation: Vertebrates

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trunk

tail

head

limbs

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spinal column

trunk

tail

head

brain

limbs

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bilateral symmetry (vertebrate)

Symmetry

plane of symmetry

planes of

symmetry

radial symmetry(some invertebrates)

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Animation: Vertebrates

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OPENOPEN


What are mammals like?

ears

neck

articulatedlimbs

tail

trunk

head

fur

mammary glands

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What are mammals like?

ears

necktail

trunk

head

fur

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spinal column

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mammary glands

articulatedlimbs


How are mammals classified?

Monotremes Marsupials

Placentals

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Human beings

Classification

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Kingdom:Animalia

Species:sapiens

Phylum:Chordata

Class:Mammalia

Order:Primates

Family:Hominidae

Genus:Homo


What are birds like?

beak

neck

legs

wing

feathers

calamus

rachis

barbs

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What are birds like?

spinal column

beak

neck

legs

wing

feathers keel

calamus

rachis

barbs

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Bird beaks

Strong, curved beaks can tear flesh after prey is caught.

Short beaks can capture insects in flight.

Long, pointed beaks can find fish in shallow water.

Wide, flat beaks can filter water to obtain food.

Strong, short beaks can crack and open grain.

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What are reptiles like?

skin with scales

tail

legs

Reptiles are oviparous.

ENLARGE IMAGE

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What are reptiles like?

spinal column

skin with scales

tail

legs

Reptiles are oviparous.

ENLARGE IMAGE

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embryo

yolk sac

amniotic fluid

shell

amnion

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Snakes Lizards

Turtles Crocodilians

How are reptiles classified?

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moist skin

legs

tail

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spinal column

moist skin

legs

tail

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The metamorphosis of a frog

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The metamorphosis of a frog

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How are amphibians classified?

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Anura: frogs, toadsUrodela:

salamanders, newts


What are fish like?

dorsal fin

caudal fin

pelvic fin

operculum

anal fin

pectoral fin

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lateral line system


What are fish like?

spinal columnscales

lateral line system

dorsal fin

caudal fin

pelvic fin

operculum

anal fin

pectoral fin

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How are fish classified?

Bony fish

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Cartilaginous fish


Scientific diagram: diagram of a fish

lateral line system dorsal fin

caudal fin

pelvic fin

operculum

anal finpectoral fin

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Links

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Science & Nature: Animals

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The Visual Dictionary: Animal Biology

u05 vertebrates

Education

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