EcologyEcology

ECOLOGYECOLOGY- a term coined by a German - a term coined by a German

biologist Ernst Haeckel, 1866biologist Ernst Haeckel, 1866

- From the greek:- From the greek:

oikos = the place where one livesoikos = the place where one lives

logos = study oflogos = study of

Ecology then, is the study of how Ecology then, is the study of how organisms interact with each other organisms interact with each other within their natural setting/ within their natural setting/ environmentenvironment

ABIOTICABIOTIC and and BIOTICBIOTIC factorsfactors

Abiotic = Abiotic = non-living factors non-living factors e.g. sunlight,e.g. sunlight, temperature, wind temperature, wind direction and strengthdirection and strength

Biotic = Biotic = factors caused by the factors caused by the presence or role of other living presence or role of other living things things e.g. interaction of plants with e.g. interaction of plants with insects in their environmentinsects in their environment

Non-living parts of your Non-living parts of your community (Abiotic)community (Abiotic)

BuildingsBuildings RoadsRoads Bodies of waterBodies of water LandLand WindWind SunlightSunlight

Abiotic factors affect distribution of species                        Abiotic factors of interest include:                                   

- Temperature (range from 0 to 45 C)                                    - Water                                    - Sunlight                                    - Wind (increases heat & water loss)                                    -Rocks and soil

-Amount of oxygen in the water

StewardshipActing in a way that involves taking personal responsibility for the management and care of something

IssueA problem or concern facing the earth’s climate, environment, resources, etc

Sustainability•living organisms like plants, animals, bacteria, insects and other living things that can interact and reproduce indefinitely•For ex: Long-lived and healthy wetlands and forests are examples of sustainable biological systems.

SILENCE OF THE FROGS ACTIVITYhttp://www.pbs.org/wnet/nature/episodes/

frogs-the-thin-green-line/video-agricultures-effect-on-frogs/4848/

What are Endangered Species?An endangered species is a POPULATION of organisms which are AT RISK of becoming EXTINCT because it is either few in numbers, or threatened by various factors.

Some of the factors are:-Loss of species habitat due to accommodating for growing human population -Pesticide use-Hunting and trading-Pollution

EXAMPLES OF ENDANGERED SPECIES:

SEA OTTER

DHOLE

SIBERIAN TIGER