Edexcel A Level Biology Topic 1 Questions and Solutions| Biology A level Edexcel: Topic 1 Exam with Solutions| Biology Edexcel A Level (Topic 4) Test and Verified Answers| Topic 2 - A Level Edexcel Biology Exam with Solutions| Biology Edexcel A Level (Topic 3) Questions and Answers Grade A
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What is the purpose of having a heart and circulation? - Moving substances around the body Why do larger organisms need a mass transport system, not an open circulatory system? - Larger diffusion distances: slower transport of substances Why is water a good transport medium? (3 things) - Di...
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Add to cartWhat is the purpose of having a heart and circulation? - Moving substances around the body Why do larger organisms need a mass transport system, not an open circulatory system? - Larger diffusion distances: slower transport of substances Why is water a good transport medium? (3 things) - Di...
Solvent - A liquid substance capable of dissolving other substances Dipolar - A molecule that has a partial - on one side and a partial + on the other Cohesive - Sticking together Aerobic respiration - Respiration that requires oxygen and glucose Multicellular organism - Organism ma...
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Add to cartSolvent - A liquid substance capable of dissolving other substances Dipolar - A molecule that has a partial - on one side and a partial + on the other Cohesive - Sticking together Aerobic respiration - Respiration that requires oxygen and glucose Multicellular organism - Organism ma...
4.1: Explain how the variety of species has generally increased over time. - Variety of life has become more extensive because species adapted to all environments in the world- even extreme habitats. 4.2: Explain the negative impact that some human activities (give 3 examples) have on diversity ...
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Add to cart4.1: Explain how the variety of species has generally increased over time. - Variety of life has become more extensive because species adapted to all environments in the world- even extreme habitats. 4.2: Explain the negative impact that some human activities (give 3 examples) have on diversity ...
Diffusion - passive movement of molecules What is diffusion dependent one? - concentration, thickness of diffusion pathway, surface area How are lungs adapted for efficient gas exchange - Lots of alveoli - large surface area Capillary endothelial - one cell thick, short diffusion pathway ...
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Add to cartDiffusion - passive movement of molecules What is diffusion dependent one? - concentration, thickness of diffusion pathway, surface area How are lungs adapted for efficient gas exchange - Lots of alveoli - large surface area Capillary endothelial - one cell thick, short diffusion pathway ...
3.1: Define what prokaryote and eukaryote cells are and give an example of a type of organism for each group. - Prokaryote: "before nucleus"- these are bacteria and cyanobacteria Eukaryotes: "true nucleus"- these are all other cells, including plant and animal cells 3.2: State the symbols...
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Add to cart3.1: Define what prokaryote and eukaryote cells are and give an example of a type of organism for each group. - Prokaryote: "before nucleus"- these are bacteria and cyanobacteria Eukaryotes: "true nucleus"- these are all other cells, including plant and animal cells 3.2: State the symbols...
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