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12 Cards in this Set
- Front
- Back
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Give out 7 common characteristics of living things |
Can move , need air , need food , can grow , can reproduce , can response to stimuli and can excrete |
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How many kinds of living things |
4-12 millions |
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The natural environment where a living thing lives is called a ????
They may live in which 7 places ?
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Habitat Mangroves , desert , grasslands , forests , oceans , polar regions, streams |
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The differences among the individuals of the same kind of living things are called ????? |
Variations |
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Backbone =??????? |
Vertebrate |
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Give 2 variations of human, variations of human also show ????????????? |
Roll a tongue , have free earlobes |
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???????? Can be used to show the distribution of variations for easy analysis |
Bar chart |
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Amphibians have ________ skin Fish has______ scales and ______ Reptile. Has ____,_____scales Bird has __________ and _________ Mammals has _____ or ______ and _________________ |
Moist skin Slimy scales and fins Dry hard scales Feathers and wings Fur or hair and mammary glands |
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Five kinds of animals |
Fish , amphibians , birds , mammals , reptiles |
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Classify plants into ????? And ??????? Give two examples of each |
Flowering plants rose sunflowers Non flowering plants pine fern |
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Reason for endanger |
Destruction of natural habitat Excessive hunting and over exploitation Introduction of foreign species |
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No |
No |
