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46 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Adaptation
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How organisms change in order to become more suited to their environment
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Organisms suited environment
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Bioaccumulation
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The build up of toxic substances in a food chain or the body of an organism
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Build up toxic food chain
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Biological control
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Natural methods used to prevent pest damage to crops
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Natural prevent damage crops
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Biomass
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The mass of an organism when all of the water has been removed from their tissues
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Mass water removed tissues
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Breeding
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Mating organisms in order to produce an increase in population size
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Mating increase population
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Characteristic
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A feature of an organism which can either be inherited or modified by the environment
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Feature inherited modified
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Classification
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A systematic way of grouping things
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Systematic grouping
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Competition
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Where two organisms both want the same thing such as food, space or light
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Organisms want the same thing such as ...
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Computer model
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Uses mathematical formulae to work out what might happen if certain changes are made
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Mathematical what might happen if changes
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Conservation
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Trying to maintain habitats and prevent the loss of species
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Maintain prevent
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Deforestation
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Clearing trees for timber or to make space for grazing animals, raising crops or putting up buildings
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Clearing for space
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Desertification
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Turning land into desert
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It happens because animals have been allowed to graze the land until it is bare
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Ecosystem
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A group of plants and animals which live and interact together
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Group live and interact
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Environment
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The place where an organism lives
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It is made up of many different factors such as air, water, soil and other living things
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Evolution
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The gradual change in the characteristics of a species over many generations
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Gradual characteristics species generations
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Extinct
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When a group of organisms die out because it cannot adapt itself to a new situation
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Organisms die cannot adapt situation
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Factory farming
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Intensive farming which depends on artificial fertilisers and chemical pesticides
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Intensive fertilisers pesticides
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Food chain
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A chain to show how energy moves between animals and plants
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Chain energy animals plants
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Food web
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A group of interlinked food chains
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Interlinked chains
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Fossil
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An imprint in the rock left by the body of an organism which lived millions of years ago
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Imprint body millions of years ago
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Genetic engineering
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Transferring genes from one organism to another, or changing genes in an organism by altering their DNA
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Transferring one organism to another or changing genes DNA
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Genetically modified
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An organism that has had its characteristics modified by the use of genetic engineering
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Characteristics modified GE
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Interdependence
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When a change to one organism brings about a change in another
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Change to one brings change in another
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Inter-species
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Between two different species
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Different
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Intra-species
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Between members of the same species
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Same
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Kingdom
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A major category of classification, including animals, plants, fungi, bacteria and protoctista
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Major classification
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Natural selection
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How environmental factors such as disease or predation alter the characteristics of a species
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Environmental factors alter characteristics
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Organic (when applied to food)
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Food produced without artificial fertilisers, pesticides and herbicides
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Without fertilisers, pesticides and herbicides
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Organic farming
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Labour-intensive farming which uses natural methods to control pests and maintain soil fertility
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Labour-intensive natural methods control pests maintain soil
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Organism
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Any living thing
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Living
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Population
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The total number of one species of an organism living in an area
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Number of one species of an organism in area
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Predator
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An animal which hunts and kills other animals, such as a lion
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Hunts and kills other animals
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Prey
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An animal which is hunted and killed by a predator, such as a zebra
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Hunted and killed by other animals
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Primates
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The order to which humans and apes belong
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Common ancestry order humans and apes
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Producer
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Organisms which make their own food by photosynthesis, such as a green plant
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Make food photosynthesis
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Protoctista
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The kingdom to which all single-celled organisms, such as the euglena, belong
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Kingdom single-celled euglena
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Pyramid of biomass
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A diagram which shows how much living material is found at each link in the food chain
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Living material each link
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Pyramid of number
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A diagram which shows the number of living organisms at each link in the food chain
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Number each link
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Quadrat
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A square frame which is placed on the ground to get a sample of the organisms living in a small area
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Square frame sample organisms in small area
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Quantitative
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Using numbers to describe something
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Numbers describe
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Reproduction
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Propagation of a species.The process of producing the next generation of individuals
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Propagation process of next generation individuals
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Scavenger
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An animal which feeds on dead remains or food left by another animal, such as a hyena
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Dead remains or food left by another animal
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Sedimentary rock
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A rock formed when particles settle together and become compressed to form layers, such as limestone, shale and sandstone
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Particles settle compressed layers
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Selective breeding
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Deliberately mating together organisms to produce a plant or animal which has a useful combination of characteristics
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Deliberately mating produce plant or animal useful combination
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Species
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A population of organisms which breed together and produce fertile young. The name given to the finest level of grouping in classification. Several species make up a genus
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Breed together produce fertile young. Finest level of grouping. Several species genus.
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Sustainable development
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Using methods which do not use up limited resources and so do no harm to the environment. For example, replanting trees to replace ones which are cut down
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Do not use up limited resources no harm replanting trees
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