B4 Revision Cards 0.0 / 5 ? BiologyIt's a green worldGCSEOCR Created by: katie.ann99Created on: 19-11-15 20:59 What is a habitat? Where a plant or animal lives. 1 of 11 What is a community? All plants and animals living in an area. 2 of 11 What is the population? The number of particular organisms living in its community. 3 of 11 Why does a natural ecosystem have a good biodiversity? It has a wide range of different plants and animals. 4 of 11 Why does an artificial ecosystem have a bad biodiversity? Only one species is kept. q 5 of 11 What can be mapped by using a transect line? The distribution of organisms. 6 of 11 What does a transect line show? Zonations in distribution of organisms. 7 of 11 What do kite diagrams show? The data from the transect line, 8 of 11 Why are ecosystems self supporting? They contain almost everything that they need in order to maintain themselves and to survive. 9 of 11 What is the assumption that is made when using the capture-recapture method? That there are no deaths, reproduction or movement, that identicle sampling methods are used and that the marking doesn't affect the organism. 10 of 11 What is the method of capture-recapture? Collect organisms - Mark them - Let go - Redo and count - Count marked ones too - let them go. 11 of 11
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