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59 Cards in this Set
- Front
- Back
A characteristic that helps species avoid predation by making it difficult for predators to see them
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Camouflage
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A group of a particular species that lives and breeds together
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Population
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A group of organisms that can breed and produce fertile offspring
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Species
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A highly reactive and damaging form of oxygen high in the atmosphere that protects us from most of the sun's uv radiation
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Ozone
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A hybrid obtained by crossing a horse and a donkey
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Mule
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A line used to help sample populations across a habitat
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Transect
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A living entity
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Organism
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A measure of the range of different organisms that live in a particular habitat or ecosystem
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Biodiversity
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A particular role or way of life within a specific habitat
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Niche
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A relationship between two species where both benefit
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Mutualism
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A set of questions designed to allow you to identify a species easily
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Key
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A species that obtains food by living in or on other living organisms causing harm in the process
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Parasite
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A square grid that can be used to help estimate the size of a population of plants or small animals
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Quadrat
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A suction device for sampling small invertebrates
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Pooter
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A system of interacting organisms that live together in a particular habitat
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Ecosystem
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A type of fat that is liquid at room temperature. Often used by plants to store energy in seeds.
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Oil
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All the species that live together in a habitat
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Community
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An animal that eats only plants or algae
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Herbivore
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An animal that eats other animals
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Carnivore
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An animal that eats plants as well as other animals
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Omnivore
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An animal that hunts other animals for food
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Predator
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An animal that is often hunted for food. Often a herbivore.
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Prey
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An animal with a backbone
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Vertebrate
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An animal without a backbone
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Invertebrate
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An ecosystem that has been constructed or greatly altered by human intervention
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Artificial (ecosystem)
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An ecosystem that is largely unaffected by human intervention
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Natural (ecosystem)
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An increase in a factor where the rate of increase itself increases with time
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Exponentially
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An observable feature of an organism
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Characteristic
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Any characteristic of an organism that helps it to survive and breed successfully in its environment
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Adaptation
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Arises between individuals or species when there is a shortage of resources
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Competition
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Cells need to produce this for growth and repair. All enzymes are examples of this.
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Protein
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Changes in species brought about by natural selection in response to variation in populations and changes in the environment
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Evolution
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Chemicals and materials in nature that can be used for the benefit of humans
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Resources
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Energy storage substances used by plants and animals - also important for insulation in animals
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Fat
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Gas produced by respiration that is essential for photosynthesis
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Carbon dioxide
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Improvements in the human condition that are achieved without depleting natural resources and biodiversity
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Sustainable development
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Light, carbon dioxide or temperature is behaving as this if they restrict the rate of photosynthesis
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Limiting factor
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Light-dependent process that produces glucose from carbon dioxide and water
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Photosynthesis
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Long-term changes to global weather patterns brought about by the activities of humans
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Climate change
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Organisms that are threatened with extinction because of decreasing numbers and habitat loss
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Endangered
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Organisms that no longer exist on Earth
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Extinct
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Polymer of glucose that is a key component of plant cell walls
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Cellulose
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Process requiring oxygen that releases energy from sugars or fats with the production of water and carbon dioxide
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Respiration
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Rain with a pH below 6 formed when pollutants such as sulphur dioxide or nitrogen oxides dissolve in it
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Acid rain
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Release into the environment of substances that are harmful to living things
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Pollution
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Resources that are replaced at the same rate as they are exploited
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Sustainable resources
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Simple sugar used for energy by plants and animals. Product of photosynthesis. Can be stored as starch or glycogen.
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Glucose
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Species the presence or absence of which provide information on the level of pollution
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Indicator species
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Term to describe the preservation of geological time-lines as successive layers in rock
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Stratigraphy
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The British scientist who described the mechanism of evolution by natural selection
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Darwin
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The naming system for species that involves a genus and species name
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Binomial system
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The organism on which a parasite lives and feeds
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Host
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The product of a cross between two species - usually infertile
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Hybrid
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The storage polymer made by plants from glucose
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Starch
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The tendency for the best adapted individuals to survive and pass on their genes to their offspring
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Natural selection
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The type of place where a species lives
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Habitat
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Trace evidence of long dead organisms. Often mineralised remains or impressions preserved in rocks.
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Fossil
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Used to sample small aquatic organisms
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Dip net
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Used to sample small ground-living invertebrates
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Pitfall trap
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