Ecology is the study of the interactions between organisms and their environment
Ecosystem
• All the plants and animals in an area interacting with each other and their environment
Habitat
• An area where a plant or animal lives
Herbivore, Carnivore or Omnivore?
Herbivore, Carnivore or Omnivore?
Food Chain
• Is a list of organisms in which each organism is eaten by the next one in the chain.
Food Web
• Two or more interconnected food chains
Habitat Study
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Homemade Quadrat Internal area = 0.25m2
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Quadrat with marker
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Qualitative survey
• a study determining the presence/absence of a substance or organism in a sample or habitat
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Quantitative survey
• a study determining the amount of a substance or number of an organism present in a sample or habitat
% Frequency =
Number of quadrats in which ‘x’ found x 100Total number of quadrats
POOTER
PITFALL TRAP
BEATING TRAY
SWEEP NET
Adaptions
What adaptations does a shark have?
Pollution
• Pollution is the process by which harmful substances are added to the environment by humans.
Examples:• Soil pollution• Water pollution• Air pollution• Greenhouse effect
Conservation
• Conservation is the preservation of the earth’s natural resources for the future.
Examples• National parks • Hedgerow and bogland conservation• Listing of threatened species e.g. lizard, frog and
stoat in Ireland• Zoos and wildlife parks – by breeding endangered
species
Waste Management• Waste management involves managing the
disposal of our waste productsExamples• Reduce, Reuse, Recycle campaign• Compost bin – vegetable peelings and garden
waste.• Incineration
Two negative effects of humans on the environment
• Air pollution• Habitat destruction (e.g. deforestation,
overhunting, etc)
Two positive effects of humans on environment
• Protection of endangered species Tree planting