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Diversity of life
IGCSE biology, diversity of life, classification
| Name | Classification | Extra |
|---|---|---|
| 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
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