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