GCSE biology Coursework and GCSE biology Essays
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Subcategories

  SubcategoryEnzymes (28 Essays)
GCSE Enzyme Coursework and Enzyme Experiments
  SubcategoryOsmosis (28 Essays)
GCSE Osmosis Coursework and GCSE Osmosis Essays. Potatoes and water pressure and diffusion.
  SubcategoryPhotosynthesis (9 Essays)
Photosynthesis Experiments and Coursework

GCSE: Biology Coursework Coursework and Essays
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An Investigation Into An Aspect Of Human Variation
(User Rating: 6.50 | Length: 13.3 Pages) An Investigation Into An Aspect Of Human Variation Aim The aim of this investigation was to explore and analyse an aspect of human variation. Hypothesis There will be a positive correlation between an individual's foot length and their hand span. This may be due to linkage; the genes that creat ...

An Investigation Into The Affect Of A Temperature Increase On The Breathing Rate Of A Locus
(User Rating: 7.00 | Length: 3.3 Pages) An Investigation Into The Affect Of A Temperature Increase On The Breathing Rate Of A Locus Introduction This investigation will attempt to prove, whether or not a change in temperature will affect the respiration rate (and therefore the breathing rate) of a locust. Locusts are 'poikilothermic& ...

Breathing Rate Experiement
(Length: 1.4 Pages) Breathing Rate Experiement The people doing the breathing rate experiments are doing the experiment to see how fit each person is. They do this by timing how long it takes for their breathing rate to get back to their normal rate (the rate it was at before they started to do the exercise). The meth ...

Daphnia Bioassay
(User Rating: 9.50 | Length: 15.1 Pages) Daphnia Bioassay Plan The initial variable to be considered will be the effect that caffeine and temperature has on the heart beat and if it has a direct or indirect effect on the daphnia's lifespan. If there is enough time to consider a second variable however, the effects of a temperature or ...

Daphnia Investigation
(User Rating: 5.75 | Length: 5.5 Pages) Daphnia Investigation Variables The following input variables could be varied in this experiment, although some are obviously impractical due to time and skill constraints: À Temperature of water surrounding daphnia À Concentration of chemicals in surrounding water; both stimulants (e.g. caffeine) ...

Different methods of pest control and their environmental issues
(Length: 10.6 Pages) Different methods of pest control and their environmental issues Different methods of pest control and their environmental issues A pesticide is any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest. Pests can be insects, mice and other anima ...

Discuss the importance of plants on planet earth
(User Rating: 1.43 | Length: 3.0 Pages) Discuss the importance of plants on planet earth ` Plants As We See Them Plants are all around us, renowned for their aesthetic appeal; their colours and structures lend themselves to decoration. Plants are used in celebrations and commiseration's and are often celebrated in their own right- th ...

Do you think bulimia is a self-caused sickness? Or do you think bulimia isn’t a sickness at all, it
(Length: 1.8 Pages) Do you think bulimia is a self-caused sickness? Or do you think bulimia isn't a sickness at all, it Well actually bulimia is a very serious eating disorder which disrupts the ability to maintain a "normal" eating pattern. Someone with bulimia nervosa becomes increasingly unable to rel ...

Does Concentration Affect The Voltage Of A Cell?
(Length: 9.5 Pages) Does Concentration Affect The Voltage Of A Cell? Research This investigation aims at examining whether altering the concentration of ions in a half-cell affects the voltage of a cell. If this does occur, the investigation should also allow the determination of the relationship between concentration ...

Edward Jenner and Louis Pasteur
(User Rating: 6.40 | Length: 11.1 Pages) Edward Jenner and Louis Pasteur EDWARD JENNER Edward Jenner was born on May 17, 1749, he was educated first at Katherine Lady Berkeley's School Wotton-under-Edge, and then went as a pupil of the Rev. Dr.Washbourn at Cirencester. When Edward was 5 years old, his father died, and the boy was look ...

Effect of exercise on Heart Rate
(User Rating: 6.54 | Length: 3.7 Pages) Effect of exercise on Heart Rate Introduction The heart rate of a human varies from 150 beats per minute in young children, to about 60 in the aged. However, I am going to investigate whether doing exercise may alter the rate substantially. Prediction From my scientific knowledge I predict that the ...

Eutrophication
(User Rating: 4.00 | Length: 0.5 Pages) Eutrophication Eutrophication is the over growth of algae in water ecosystems where nutrients are usually limiting. Many fresh water systems are 'oligotrophic', meaning that the growth of primary producers (algae) is limited not by dissolved gas or light, but by nutrients such as nitrates a ...

fermentation
(User Rating: 8.00 | Length: 8.7 Pages) fermentation Aims Aim 1 To find out what factors affect how quickly bread dough rises. There are a number of factors that affect how quickly bread dough rises. These are: · Amount of sugar-if the amount of sugar is increased, the rate of reaction will increase. Adding a higher concentration of suga ...

Gas Exchange
(Length: 15.2 Pages) Gas Exchange Gas Exchange 3.1 Ø Surface area to volume ratio Ø Exchange of gases occurs by diffusion at surface Whereas Ø Production of wastes and use of resources occurs in the volume Ø Therefore, as organisms increase in size they have proportionately less surface area compared to volume Ø Adapta ...

Huddling - investigation into heat preservation
(User Rating: 4.00 | Length: 1.3 Pages) Huddling - investigation into heat preservation Aim: The aim of this experiment is to investigate how groups of animals conserve heat in cold climates. Hypothesis: I hypothesise that a huddled group will lose less heat than an isolated animal. This is because the exposed surface area of a group of ...

Humans and the environment - Project
(User Rating: 7.20 | Length: 10.4 Pages) Humans and the environment - Project ar 11 Project - Humans and the Environment 1 - Air Pollution: A) This is the contamination of the atmosphere by gaseous, liquid, or solid wastes or by-products that can endanger human health and the health and welfare of plants and animals, or can attack materia ...

Investigating whether Limpets can detect pollution
(User Rating: 1.50 | Length: 13.4 Pages) Investigating whether Limpets can detect pollution Predictions I know from a secondary resource that Limpets can detect pollution and move away from it. Pollution dissolves their shells and creates them prone to attack from predators. It also disturbs their metabolism by effecting the gas exchange. ...

Investigation on yeast
(User Rating: 3.16 | Length: 1.6 Pages) Investigation on yeast Apparatus Spatula, glucose, yeast, boiling tube, 250ml beaker, delivery tube, measuring cylinder, watch, test tube rack, tray. Diagram Method We set up the equipment as shown in the diagram. The beaker of warm water was not present at the start of the experiment but was adde ...

Limpets and Pollution
(Length: 1.0 Pages) Limpets and Pollution I know from a secondary resource that there are 2 types of Limpets, Type A Limpets cannot be larger than 30mm and type B Limpets cannot be smaller than 25mm. From all my knowledge I predict that after the pollution the number of limpets on the lower sites (1-3) will decrease h ...

Penguins
(User Rating: 5.12 | Length: 1.2 Pages) Penguins Hypothesis Bigger penguins lose less heat than small penguins. Reasons for hypothesis As the organism gets bigger the volume and surface area ratio decreases. This means that there is less surface area to lose heat from. Relatively little surface area in comparison to the birdÆs volume con ...

Species
(Length: 2.0 Pages) Species SPECIES 1 2 3 4 5 6 7 8 9 Juncus maritimus Sea Rush 9 Agrostis stolonifera 5 Juncus geradi Mud Rush 5 Festuca rubra Fescue 2 5 6 Plantego maritime Sea Plantain 7 7 8 7 4 America maitima Sea ...

stomata investigation
(User Rating: 10.00 | Length: 7.1 Pages) stomata investigation Aim: The aim of this science investigation is to find out where the stomata are located, on the upper or lower epidermis of a leaf. Prediction: My prediction is that most of the stomata are found on the lower epidermis of a leaf. I have based this prediction on the function of ...

Sugar
(User Rating: 9.00 | Length: 0.5 Pages) Sugar Sugar is naturally found in fruit and honey as fructose and glucose, in milk as lactose and in sugar cane and beet as sucrose. Sugar cane is grown in Europe. It is a good source of energy. There are different types of sugar: -Refined sugars include granulated, castor and icing sugar. The suga ...

Temperature, Amylase and Starch
(User Rating: 6.04 | Length: 11.8 Pages) Temperature, Amylase and Starch Introduction Enzymes are the catalysts of chemical reactions taking place in living organisms. Each Enzyme is a protein that catalysts a particular reaction. Enzymes break down bigger molecules into smaller ones. Enzymes work best at temperatures like body temperatur ...

The Effect of Different Mouthwash Brands on the Growth of Bacteria
(User Rating: 4.50 | Length: 2.2 Pages) The Effect of Different Mouthwash Brands on the Growth of Bacteria Effect of bead size on the activity of immobilised yeast Aim To investigate how differing sizes of immobilised yeast beads affect the rate of carbon dioxide production. Hypothesis The greater the total surface area the greater the r ...


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