sepcies - can interbreed to produce fertil offspring, poulation - the number of one species in an ecosystem, community - all the living things in an ecosystem , ecosystem - all the living and non living components , niche - the role an organism plays in it's ecosystem , producer - a green plant that makes its own food by photosynthesis , consumer - an animal that obtains energy by consuming other organisations , herbivore - an animal that only eats plants, carnivore - an animal that only eats other animals, omnivore - an animal that eats both plants and animals , interspecific competition - competition between members of different species , intraspecific competition - competition between members of the same species , predator - an animal that hunts, kills and eats other animals, prey - an animal that is hunted, killed and eaten by other animals, quadrat - used to sample plants, pitfall trap - used to sample invertebrates , indicator species - a species that indicates levels of pollution or environmental quality by its presence or absence, abiotic factors - non living factors that can affect biodiversity such as temperature, pH, soil moisture and light intensity , biotic factors - living factors that can affect biodiversity such as predation, disease and food availability , sources of error for using a quadrat - counting errors, sampling bias, not enough samples, ways energy can be lost in a food chain - heat, movement and undigested material, the way energy is conserved in a food chain - growth, pyramid of numbers - shows the total number of each population in a food chain , pyramid of energy - shows the total energy available to the next level in a good chain , raw materials of photosynthesis - carbon dioxide and water , products of photosynthesis - sugar and oxygen, green pigment that absorbs light energy - chlorophyll, chloroplast - site of photosynthesis , products of the light reactions required for carbon fixation - ATP and hydrogen, limiting factors of photosynthesis - light intensity, temperature and carbon dioxide concentration ,

N5 Biology -Life on Earth KA1-4

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