Oesophagus- The tube that connects the mouth to the stomach. A minor or major change in the environment. Organ such as a gland or muscle that responds to a stimulus.
All the chemical reactions going on in cells. Chemical made by a gland and carried in the blood to its target organ s. Root- A plant organ which anchors the plant and absorbs water and nutrients from the soil.
Periodic table An arrangement of elements in the order of their atomic numbers forming groups and periods.
Prediction- A prediction is much like an estimate of a future occurrence, so a proved example of an outcome at the end of a practical. Temporary Hard Water Hard water which is softened when it is boiled.
This may results in a different characteristic being developed. A protein molecule that helps protect the body from invading cells. The survival of organisms better adapted to their environment. Smelting Heating a metal ore in order to extract its metal.
Biological catalyst made of protein. Protein - Chemicals in living things that are polymers made by joining together amino acids. This is a cause of acid rain. Thermal Decomposition The breakdown of a compound by heat.
B1 Key Words Inherited - A feature that is passed from parents to their offspring through genes. Protein - Chemicals in living things that are polymers made by joining together amino acids. A plant hormone that causes shoots and roots to bend. Reliability of data- meaning to have reliable and valid evidence of information, it has to be verified, e.
Can only reproduce inside a host cell. Hypothesis- a hypothesis is much like a theory, but with more background evidence supporting the hypothesis.
Tissue- A group of cells working together to achieve the same function. Fats- Lipid Molecules containing glycerol and fatty acids. A structural and functional unit of a cell.
Organ- A number of tissues working together to carry out a single function. Hormones produced in the sex organs ovaries and testes. Urine- A fluid produced the kidneys which contains waste materials and excess water. Epidemic that sweeps across continents or the whole world.
Produce a hormone in special cells of a gland. Tiny air sacs, present in the lungs, where gas exchange takes place.1 AQA GCSE Science - Science Key Words PART 1 study guide by rshawklb includes 14 questions covering vocabulary, terms and more.
Quizlet flashcards. Revision booklet for them to define keywords.
Creating their own dictionary. I undoubtedly missed words, so they can add them if there is extra space on the page or at the back.5/5(5). 5. A measurement is .
if the investigation is repeated by anther person, or by using different equipment or techniques, and the same results results are obtained. B1 Key Words. Inherited - A feature that is passed from parents to their offspring through genes. Environment - Everything that surrounds you.
This is factors like the air, the Earth, and the water as well as other living things.
Nucleus - The part of the cell that holds all of the information. May 15, · Diet that has the right amount of proteins, fats, carbohydrates, vitamins, minerals, water and fibre, and gives you enough energy.
How you feel when you have a disease e.g. headache, nausea. Release of a mature egg from an ovary. Fertilisation carried out.
Here are all the Biology key terms and definitions at Revision Universe. They are compatible for all exam boards including IGCSE.
Memorise them all to succeed.Download