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
[Show more]
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...
Preview 2 out of 5 pages
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...
Preview 1 out of 3 pages
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 ...
Preview 2 out of 14 pages
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 ...
Preview 2 out of 8 pages
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...
Preview 2 out of 15 pages
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...
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Stuvia is a marketplace, so you are not buying this document from us, but from seller kharowl. Stuvia facilitates payment to the seller.
No, you only buy these notes for $22.39. You're not tied to anything after your purchase.
4.6 stars on Google & Trustpilot (+1000 reviews)
78677 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now