B4 - It's a green world 1.0 / 5 based on 1 rating ? BiologyB4 - It's a green worldGCSEEdexcel Created by: ItsAlevelTimeCreated on: 09-01-17 07:10 What's NOT an ecosystem? Cats 1 of 25 What is the name for All animals and plants living in a habitat? Community 2 of 25 Why do we do transect lines? To map the distribution of organisms. (zoning) 3 of 25 How do you estimate population size using the capture-recapture method? Population size= 1st sample x 2nd sample / number in 2nd sample previously marked 4 of 25 What does the capture-recapture method NOT assume? animals have died 5 of 25 What is Glucose NOT used for? Photosynthesis 6 of 25 What is NOT real history? Plants once ruled the human race. 7 of 25 What are modern scientists using to test new theories on photosynthesis? A green alga called Chlorella and an isotope of Oxygen 8 of 25 How does Photosynthesis really work? Light splits up the H2O NOT CO2. The H2O is split into O2 gas and Hydrogen Ions. 9 of 25 what is NOT a major limiting factor for photosynthesis? Minerals 10 of 25 Where are most of the chloroplast found in a leaf? Palisade Layer 11 of 25 Who discovered plants must depend on something other than minerals for growth? Van Helmont, his willow trees and the measuring of the soil. 12 of 25 What does the Xylem NOT have? Plaque buildup 13 of 25 What does high osmotic pressure produce when outside a cell? Cell lysis 14 of 25 Where is the film of water located in leaves? Inside the spongy mesophyll 15 of 25 What occur to a plant cell when it is placed in salty water? It becomes flaccid/plasolysed 16 of 25 What are nitrates (nitrogen) used for in plants? Amino acids/protiens 17 of 25 What can Magnesium be used for? making chlorophyll 18 of 25 What is the optimum enzyme temp. for fungi? 25C 19 of 25 Why does salt and sugar preserve well? It uses high osmotic pressure to crenate the cells of the saprophytes. 20 of 25 Where does active transport occur? root hair cells 21 of 25 What's an example of a detritivore? maggots 22 of 25 What does a saphropyte do? Extracellular Digestion 23 of 25 What is it called when people used living organisms to control pests? biological control 24 of 25 What is NOT a type of intensive farming? Tissue culture 25 of 25
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