Organism meaning gcse
WitrynaGCSE. WJEC. Ecosystems – pollution and nutrient cycles. ... An indicator species is an organism whose presence or absence is used by scientists to determine if an area is …
Organism meaning gcse
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WitrynaMicroorganisms. Microorganisms are tiny. They are so small they can only be seen with a microscope. Yeast is a helpful microorganism which makes bread rise. Bacteria is a microorganism which ... WitrynaDecomposition, or decay, is the breakdown of dead matter. The rate at which this happens depends upon the number of decomposing microorganisms, the temperature, and water and oxygen availability.
WitrynaThe genome. is the entire genetic material of an organism. This means all of the genes encoded in all of the DNA in an organism. ... Prepare for GCSE Biology examinations. Personalise your ... Witrynato create the identical copies (clones) of the parent cell. Mitosis is part of the cell cycle, which involves: cell growth, and the increase of the number of structures in the cell …
WitrynaAll other food chains in an ecosystem can be added together to make a food web. These stages in a food chain or web are called trophic levels. The arrows show the transfer of biomass from one ... WitrynaCarbon dioxide is a reactant in photosynthesis. which means plants need it to survive. Areas with higher levels of carbon dioxide are more likely to have healthy plants growing.
WitrynaIn humans, gametes are sperm and eggs (ovums). DNA is a large and complex polymer, which is made up of two strands forming a double helix. DNA determines the …
WitrynaIt is a rare, random change in the genetic material, and in some cases it can be inherited. Causes of mutation. Mutation can be spontaneous. It just happens, or it can happen because of: cura print from layerWitrynaSpecialised cells. Many cells in multicellular organisms are specialised. They have specific roles in the organism of which they are part. Their structure is adapted to their function. cura print head settingsWitrynaRevise the spread of communicable diseases in animals and plants for GCSE Biology, AQA. cura printing off bedWitrynaRespiration is a series of reactions, but this summarises the overall process. The first stages of respiration occur in the cytoplasm of cells, but most of the energy released is in the ... cura printhead settings explainedWitryna30 wrz 2024 · Figure 1. A vector in mathematics. Image Source: Maria Victoria Gonzaga of Biology Online.. Within epidemiology and medicine, a vector refers to a disease vector, which is an organism that carries or transmits infectious diseases.This is considered an infection vector and is noted in the biological branch, … easy dad mealsWitrynaAn extremophile is an organism that lives in an extreme environment. An extreme environment is one in which most organisms would find it difficult or impossible to survive. ... Prepare for GCSE ... easy daily cryptic archiveWitrynaBacteria is a microorganism which breaks down plants into nutrients. Microorganisms are also known as 'germs'. Harmful germs can make us unwell. Good hygiene will … easy dahl soup recipe