Notes and Diagrams For 'O'Level BiologyPDF电子书下载

Cells 1

Animal and plant 1

Flowering Plant 2

Structure．Leaf fall and winter twig．Pollination and fertilization，fruits，seed and germination．Tropisms．Vegetative propagation．Physiology 2

Varieties of Plants 27

Yeast．Mucor．Spirogyra．Liverwort．Fern 27

Mammal 32

Skeleton，joints and movement，teeth．Digestive system，foods and food tests．Heart，circulation，blood and lymph．Respiration(also in fish，insect and bird)．Nervous system and sense organs．Skin．Excretion，Reproduction．Genetics 32

Varieties of Animals 61

Amoeba．Hydra．Earthworm．Cockroach．Butterfly．Housefly．Honey bee．Spider．Salmon．Frog．Reptiles．Flight adaptations of birds 61

Parasites 78

Dodder and tapeworm 78

Cycles 79

Carbon and nitrogen 79

Soil 82

Properties of sand and clay 82

Aquarium 84

General plan．Examples of plant and animal inhabitants 84

Definitions 88

Index 91