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Summary of biology at first grade

The structure of cells includes animations: cell division; the process of cell division; cell growth; the process of cell growth; cytoplasm flowing; magnifying glass; microscope; structure of plant cells; water absorption and loss of plant cells. Water

The root system and its distribution and significance in the soil include animation: the structure of the root; the absorption of water by the root; observing the structure of root hairs and root tips

The structure of the seed, Composition and germination includes animation: Phaseolus vulgaris seeds; Soybean seed components; Protein; Starch 1; Starch 2; Rice seed components; Moisture; The role of inorganic salts in plant life (corn); Inorganic salts; Transport of water and inorganic salts by vessels ; Plant life requires inorganic salts; a cell that makes up a vessel; corn; components of sesame seeds; conditions for seed germination (beans); seeds absorb water and expand; seeds release heat during respiration

The basic structure of leaves and Its main functions; the concept of photosynthesis-1 including animations: the place of photosynthesis-chloroplast; LEAF1; LEAF2; LEAF3; photosynthesis diagram 1; photosynthesis diagram 2; absorption of carbon dioxide by photosynthesis-1 (sunlight exposure); light The action of light absorbs carbon dioxide -2 (heating); the action of light absorbs carbon dioxide -3 (iodine solution); the action of light produces oxygen; the stomata close; the stomata open; green leaves produce starch-1 under light (sunlight exposure); green leaves produce starch-1 under light (sunlight exposure); Starch-2 is produced under light (heating); green leaves produce starch-3 under light (iodine solution)

The basic structure of leaves and their main functions; the concept of photosynthesis-2 Includes animation: dicotyledons The structure of plant seeds; vascular bundles running through the whole body of the plant; the structure of the microscope; the types of leaf veins; leaf mosaics; the structure of leaf buds; diagram of respiration; the structure of herbaceous plant stems; the structure of woody plant stems; water loss from plants; seeds in Carbon dioxide is released during respiration; seeds absorb oxygen during respiration

The reproductive reproduction of flowering and fruiting includes animation: basic structure of flower 1; basic structure of flower 2; raceme of radish; head of sunflower Inflorescence; cross-pollination; self-pollination; fertilization process

The main groups of plants include animation: classification and characteristics of angiosperms; peach fruits and seeds; pine cones and seeds; calabash moss and its living environment; kelp; Spirogyra; Chlamydomonas; purple algae

The types of buds include animations: annual rings; willow buds; plant grafting

Basic forms of bacteria And structural characteristics include animation: cocci; bacilli; spirillum; structure of capsulated bacteria (schematic diagram); flagellated bacteria

The morphological structures of yeasts and molds include animation: morphology of mushrooms ; Penicillium; Aspergillus

The morphological structure of viruses includes animation: Viruses

The characteristics of the Protozoa phylum include animation: schematic diagram of the process of fission and reproduction of Paramecium; the morphological structure of Paramecium; Paramecium Stress experiments on insects; schematic diagram of the relationship between protozoa and humans

Characteristics of the phylum Coelenterata include animations: schematic diagram of the budding reproductive process of hydra; hydra; longitudinal section of hydra

Common flatworms and their relationship with humans include animation: planarians

The relationship between linear animals and humans includes animation: roundworm morphology, longitudinal section, eggs; morphological structure of pork tapeworm

The relationship between molluscs and humans includes animation: the structure of mussels; snails

Experiment 2 production of temporary slides and observation of plant cells includes animation: experiment 2 production of temporary slides and plant cells Observation 1; Experiment 2: Preparation of temporary installation pieces and observation of plant cells 2; Experiment 2: Preparation of temporary installation pieces and observation of plant cells 3; Experiment 2: Preparation of temporary installation pieces and observation of plant cells 4; Experiment 2: Temporary installation Production of temporary slides and observation of plant cells 5; Experiment 2 Preparation of temporary slides and observation of plant cells 6; Experiment 2 Preparation of temporary slides and observation of plant cells 7

The relationship between annelids and humans Including animations: schematic diagram of longitudinal section of earthworms; transverse sections of earthworms; morphology and feeding situation of earthworms

The morphological structure, physiological and developmental characteristics of locusts include animations: development process of locusts; trachea of ??locusts ; Locust appearance

The morphological, structural and physiological characteristics of fish suitable for life in the water include animations: mixed stocking of major freshwater fish; diagram of the circulatory system of crucian carp; appearance of crucian carp

Changing temperatures

Concepts of animals and hibernation including animation: Nervous system of a frog; Diagram of a frog's circulatory system

Overview of reptiles including animation: Appearance of a lizard; Diagram of a lizard heart

Birds Overview includes animation: schematic diagram of the lungs and air sacs of domestic pigeons; appearance of domestic pigeons; bird embryos; structure of bird eggs; primary feathers and down feathers

The morphological structure and physiological characteristics of domestic rabbits include animation: domestic pigeons Rabbit's brain; Rabbit's embryo; Rabbit's nervous system; Rabbit's appearance

The structure and main functions of human skin include animation: skin structure and subcutaneous tissue pattern diagram

The composition of the human skeleton includes animation: lateral view of the spine

Arthropods includes animation: development of bees; three types of bees