COMPARATIVE ANATOMY

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COMPARATIVE ANATOMY

• JUST DO IT.

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THE FIRST PLANTS-STATION1
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FERNS-STATION 2
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GYMNOSPERMS-STATION 3
NAKED SEEDSNO FRUIT
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FLOWERS-STATION 4
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POLLINATION-STATION 6
wind
animal
insect
self
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FRUITS AND SEEDS-STATION 7
DRY DEHISCENT FRUITS
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FRUITS AND SEEDS-STATION 7

• DRY INDEHISCENT FRUITS

NO CRACKING
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FRUITS AND SEEDS-STATION 7

• FLESHY FRUITS

ANIMALS DISPERSE SEED
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MONOCOTS AND DICOTS-STATION 8
MONOCOT 1 COTYLEDON
DICOT 2 COTYLEDONS
PUMPKIN
CORN
PEA
KIDNEY BEAN
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MONOCOTS AND DICOTS-STATION 8
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MONOCOTS AND DICOTS-STATION 8
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ROOTS AND SHOOTS-8
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MONOCOTS AND DICOTS-ROOTS-8
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STEMS-8
MONOCOT DICOT
VASCULAR BUNDLES
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MONOCOTS AND DICOTS-8
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WOODY STEMS-STATION 9
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LEAVES-10
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PINE VS DICOT-STATION 11
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PLANT RESPONSES-STATION 12
WHY ARE THEY ALL FACING THE SUN? WHY DO THEIR
ROOTS GROW DOWN?
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ANIMALS 1

• MULTICELLULAR
• HETEROTROPHS
• MOTILE
• SEX
• INVERTEBRATES
• CHORDATES

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SYMMETRY-1
B
A
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BODY CAVITIES-1
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SUPPORT-1
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SEGMENTATION-1
ANNELID
ARHTROPOD
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PORIFERA-2

• No symmetry, tissues, organs or segments
• A few different kinds of cells-collar, ameoboid

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CNIDARIA-3

• AQUATIC CARNIVORES
• True tissues
• Gastrovascular cavity (digestion and waste
  disposal!)
• Tentacles and stinging cells
• Jellyfish, sea anemones, corals and hydra

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PLATYHELMINTHES-4

• FIRST BILATERAL SYMMETRY, HEAD TAIL, ONE
  DIGESTIVE OPENING
• FLAT WORMS

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NEMATODA-5
HEART WORM

• FIRST BODY CAVITIES
• COPLETE DIGESTIVE TRACT
• PARASITES
• ROUND WORMS

INTESTINAL ROUND WORM
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MOLLUSCS SNAILS
SOFT BODIED, MUSCULAR FOOT, VISCERAL MASS, MANTLE
AND SHELL

• SNAILS
• SQUID
• BIVALVES
• OCTOPI

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ANNELIDS

• SEGMENTS, WELL DEVELOPED ORGAN SYSTEMS

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ARTHROPODS

• EXOSKELETON OF CHITIN
• JOINTED APPENDAGES
• MODIFIED SEGMENTS
• RESPIRATORY STRUCTURES
• SENSORY STRUCTURES
• METAMORPHOSIS
• INSECTS, CRUSTACEANS AND ARACHINIDS

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ECHINODERMS

• RADIAL SYMMETRY
• ENDOSKELETON
• BODY CAVITY WITH 2 OPENINGS
• STARFISH, SEA URCHINS, SAND DOLLARS

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ANIMALS II

• BILATERAL SYMMETRY
• INTERNAL SEGMENTATION
• COMPLETE DIGESTIVE TRACT
• TRUE BODY CAVITY
• NOTOCHORD
• DORSAL HOLLOW NERVE CHORD
• PHARYNGEAL GILL SLITS
• TAILS

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CEPHALOCHORDATAUROCHORDATA

• INVERTEBRATE CHORDATES

TUNICATE
AMPHIOXUS
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VERTEBRATES

• ENDOSKELETON WITH A BACKBONE
• AGNATHA
• CHONDRICHTHYES
• OSTEICHTHYES
• AMPHIBIANS
• REPTILES
• AVES
• MAMMALS

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AGNATHA

• JAWLESS FISH
• MOST PRIMITIVE VERTEBRATES
• NO PAIRED FINS OR JAWS
• CARTILAGE SKELETONS
• GILLS

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CHONDRICHTHYES

• CARTILAGE SKELETON
• POWERFUL JAWS
• GILLS
• PAIRED FINS

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OSTEICHTHYES

• BONY FISH
• GILLS WITH MUSCLE
• PAIRED FINS
• SCALES
• SWIM BLADDER

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AMPHIBIANS

• 2 PAIRS OF LEGS
• FIRST TO WALK ON LAND
• 2 LIVESMETAMORPHOSIS (TADPOLE/FROG)
• EGGS I NWATER
• SKIN FOR GAS EXCHANGE
• SMALL LUNGS
• PREDATIOUS

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REPTILES

• EGG SUITED TO DRY LAND-AMNION
• WATERPROOF SCALY SKIN
• EFFICIENT LUNGS
• EFFICIENT, MOBILE SKELETONS
• LIVE YOUNG
• SNAKES, TURTLES, LIZARDS AND CROCS

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AVES

• SCALY LEGS
• FEATHERS-FLIGHT AND INSULATION
• HONEYCOMB BONES
• FLIGHT MUSLCES
• EFFICIENT LUNGS
• ACUTE VISION, LARGE BRAIN
• HARD SHELLED AMNIOTIC EGGS

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MAMMALS

• MAMMARY GLANDS
• HAIR
• MONOTREMES LAY EGGS (DUCKBILLED PLATAPUS, SPINY
  ECHIDNA)
• PLACENTAL
• TOOTH SHAPE VARIES