From Tadpole to Frog
Frog's egg living Frog embryo Tadpole - early stage Tadpole - outside gills Tadpole - inside gills Young frog Young frog-tail disappearing Adult frog
The Chick Embryo
The 13hr chick The 18hr chick The 21hr chick The 28hr chick The 38hr chick The 48hr chick The 56hr chick The 96hr chick
Insect Parts
Body of an insect Insect mouths Insect legs Honey bee legs Insect wings Antennae The compound eye Breathing holes
How Living Things Breathe
One celled animals (150x) Earthworm skin (8x) Stomata of the leaf (275x) Insect spiracle (55x) Insect airtubes (75x) Salamander's Gill (210x) Gill of a fish (55x) Lung (360x)
Animal Tissues - Epithelium and Cartilage'
The Trachea (50x) The Trachea (180x) Ciliated Columnar Epithelium (300x) Simple Cuboidal Epithelium (500x) Cartilage ( 180x) Esophagus Epithelium (340x) Simple Squamous Epithelium (330x) The Urinary Bladder (125x)
Animal Tissues - Muscle, Bone, Connective Tissue
Voluntary muscle cells (900x) Involuntary (smooth) muscle cells (900x) Heart muscle (340x) Areolar connective tissue (350x) Bone (150x) Blood (480x) Adipose tissue (150x) Spinal cord (75x)
Animal Mitosis
The Zygote (750x) Pro-metaphase (750x) Metaphase (750x) Metaphase-polar view (750x) Early anaphase (750x) Anaphase (750x) Telophase (750x) Late telophase (750x)
Embryology - The Frog
A ball of cells (48x) The gastrula (48x) Neural groove (48x) Neural tube (48x) Hatching stage (18x) Eye section (48x) Ear section (48x) Section below head (48x)
The Hydra
External structure (8x) Tentacles (80x) Nematocysts (340x) Food capture (11x) Internal structure (130x) Digestion (340x) Male with buds and testes (17x) Female with bud and ovaries (14x) Female with embryos (12x)
Aurelia - The Life Cycle
Planula stage (120x) Hydroid form (17x) Budding polyp (17x) Constrictions in polyp (17x) Strobilizations (17x) Ephyra Stage (25x) Sense organ (52x) Young jellyfish (13x)
Obelia - The Life Cycle
Two animals (10x & 50x) Hydroid colony (9x) Nutritive polyps (65x) Contracted polyp (30x) Reproductive polyp (65x) Jellyfish (120x) Jellyfish tentacles (480x) Jellyfish mouth (120x)
Comparative Respiratory Systems
Urosoma (200x) Hydra (130x) Nereis (1x) Grasshopper− spiracle (2x) Tracheal tube (2x) Minnow-gills (8x) Frog lung (1x) Human blood (900x) Frog blood (400x) Bronchial tree (Human)
Comparative Circulatory Systems
Paramecium ingestion (200x)/circulation (100x) Hydra (14x) Planaria (3x) Earthworm (5x) Frog Heart (4x) & (1x) Rat Heart (4x) Artery and Vein (35x) Frog blood (400x)/Human blood (900x) Crab heart (1x)
Comparative Digestive Systems
Paramecium ingestion (200x)/digestion (100x) Hydra (11x) Planaria (3x) Earthworm (7x) Grasshopper-mouth parts (1x) Frog intestine (20x) Villi (50x) / intestinal glands (125x) Human-large intestine (400x)
Locomotion
Pseudopods (80x) Cilia (1500x) Flagellum (400x) Setea (5x) Bone (300x) Cartilage (10x) Skeletal muscle and tendon (100x) Ligament fibres (50x)
The Cell Membrane
Epithelial cells (900x) Cell membrane (3500x) Paramecium- dying (200x) Cilia-Locomotion (1500x) Blood cells- structures (262x) Blood cells- functions (600x) White blood cell- recognition (8000x) Onion skin cells (100x)
The Earthworm
Mouth (1x)/Clitellum (1x) Ovary (300x) Sperm - in seminal vesicle (300x)/Male gonopore (1x) Setae (5x) Digestion (7x) Ventral blood vessel (1x) / "Heart" (1x) Nephridiopore & epidermis (100x) Nervous system (10x)
Sponges
Pores (400x) Collar cells (choanocytes) (400x) Amebocytes (1000x) Calcareous spicules (20x) Glass spicules (100x & 400x) Sponging- polarized light (12x) Budding (80x) Sponge morphology- sycon (40x)
Comparative Nervous Systems
Silver-line (200x) Brain and nerve cord (1x) Neuron (100x) Thoracic Ganglion (7x) Fish brain (2x) Amphibian brain (2x) Mammal brain (2.6x) Spinal cord (5x)
The Honey Bee
Mouth parts (10x) Antennae (10x) Compound eye (270x) Wing hooks (50x) Pollen comb (20x) Pollen basket (20x) Honeycomb cells (10x) Sting & poison sack (20x)/sting (50x)
The Animal Kingdom
Amphiuma liver cells st (750x) Sponge (10x) Hydra (14x & 200x) Planaria (4x & 3.5x) Soil nematode (40x)/Ascarid roundworm (5x) Earthworm (15x) Starfish (100x & 75x) Ammocoetes larva (2.5x)