A2 level Biology Flashcards on Biology Topic 5 Flashcards, created by J000D97 on 12/01/2015.
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Created by J000D97
almost 10 years ago
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Created by J000D97
almost 10 years ago
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Define: Biosphere
Define: Population
Define: Habitat
Define: Community
What piece of equipment could you use for random sampling of plants?
How many measurements should you take during an investigation?
List 2 systematic sampling methods
What type of information do you get from a line transect? And are quadrats involved?
What can light intensity be a measure of?
List the 6 biotic factors
List the 8 abiotic factors
Define a niche
Define: Succession
What is a sere?
What are seral stages?
What can cause secondary succession to occur?
What is the climatic climax community in Britain?
Define: Deflected succession
Define: Global warming potential
List 4 sources of methane
List 5 areas used as evidence of global warming
What is peat?
What can be retrieved from peat bogs as evidence for global warming and what can you do with them?
Why are pollen grains from peat bogs still intact?
Why are peat bogs, specifically, so useful?
Define: Dendrochronology
Why are tree rings produced?
Why do you have to be wary of climate predictions?
List 3 effects of global warming
What is the equation for PS?
Give the equation for photophosphorylation
What are the products of the light-dependent PS reactions?
Which photosystem is involved in cyclic L-D PS?
Which enzyme catalyses the break down of ATP?
Where do the L-D reactions of PS take place?
Where do the light in-dep reacts of PS take place?
Where does the energy for photo phosphorylation come from?
What are the products of the L-in dep. reacts of PS?
List the 6 components of a chloroplast
NPP=_________+__________
What is GPP?
What is NPP?
What are autotrophs?
What are heterotrophs?
What are primary consumers also known as?
Define: Trophic level
What are detrivores?
What are decomposers?
What is the PS efficiency formula?
In what ways is energy lost between trophic levels?
% energy transfer = .....
Define: Carbon sink
List 4 sources of \(CO_2\)
What are 2 suggested ways of reducing \(CO_2\)?
Define: evolution
What are the 2 types of speciation?
List the 5 types of pre-zygotic speciation
What are the 3 types of post zygotic isolation?
Define: Allele frequency
Define: gene pool
4 ways new alleles can be creted
Define: genetic diversity
