4. Meaningsof ecology
Defination of ecology
Factors effecting
Branches of ecology
Levels of ecology
How biotic and a biotic component interact with each other??
Interaction in organisms
• interspecificcompetition& intraspecificcompetition.
Food chain
Learning Outline
7. Which include
The biological or
living
components that
makes organism’s
surrounding
Physical
conditions
experienced by
an organism like
temprature,air
water
Bioticfactor A bioticfactor
10. Individual
the study of individual organisms' behavior, physiology, morphology, etc.
in response to environmentalchallenges
Population ecology
includesall the members of a speciesin a given area
11. COMMUNITY ECOLOGY
all of the populationsin a given area
ecosystem
the living (biotic) communityand the nonliving(a biotic)physical
environment functioningtogetheris an ecosystem
12. biome
Biomes are regions of the world withsimilar climate(weather, temperature)
animalsand plants.
Biosphere
the biosphere is the portion of the earthin whichLIFEexists
* is made up of manycomplexecosystems
17. .
Animals andother organism in an areanot onlyinteract witheach other, but
withthe non living factorsof the areaas well.
All of those factors are important in determining whichorganisms are able to
livein a particularenvironment
In any environment,birds, insects,and otherlivingthings includinghumans,
dependon one antherthat surround them, e.g. water, sunlight,temperature, air
and soil.
24. mutualism
It occurs when an individual obtains a benefit fromanother
species and, at the same time,the secondspeciesobtainsa
benefitfromthe first one
For example:
26. For example:
For example,two treesgrowingclose togetherwill compete for
light above ground, and water and nutrientsin the soil.
27. Organismdepend on each other for their food. they
transfer energy by eating or being eaten which is called
FOODCHAIN
Food chain
28.
29. So they intract with each other….!
• For food
• For reproduction
• For shelter
• For agriculture
• Other Basic needs of life
30. All of these are very important for each
other and for survival of life on earth.
Absance of any factor can effect or disturb
the whole ecosystem or life.
“GOD has create every thing
purposefull and nothing is
purposeleess”
