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Diversity of life

IGCSE biology, diversity of life, classification

Bacteria microscopic, one-cell, no nucleus no nucleus, flagellum, no mitochondria. food storage = glycogen, parasitic and saprophytic method of feeding
Plants green, make food by photosynthesis
Protoctista microscopic, one-cell, some photosynthesise, some are heterotrophs
Fungi No chlorophyll..have hyphae has hyphae, secretes enzymes, food storage= glycogen, parasitic + saprophytic method of feeding. yeast, mushrooms
Animals have to eat, can't make own food
Flowering plants roots,stems, leaves, produce seeds in flowers
Vertebrates internal skeletons, series of vertebrae to make a backbone
Mollusca single foot, some have shells snail
Arthropoda hard exoskeleton, jointed limbs
Mammalia fur or hair, suckle young
Birds wings, feathers, scales on legs
Reptiles dry skin with scales, eggs with leathery shells
Amphibia wet skins, no scales
Fish aquatic, scales, gills
Myriapod type of arthropod with many segments
Centipede 2 legs on every segment
Arachnids 8 limbs, head cephalo-thorax spider
Crustacea >5 or more pairs of legs antennae crabs, shrimp, woodlice
Insecta 6 limbs, head thoraw abdomen, 3 body parts, wings
Monocot long thin leaves, parallel veined, one cotyledon grass, corn
Dicot wide, broad leaves, branched veins, two cotyledons pea plants, oak trees
Binomial system all living things have a name with two parts, first = group/genus, second=species
Created by: natxo