INTERACTION
AM ONG LIVING THING
•
Can you live alone?•
Can you live w it hout anot her human?•
Is t here human live w it hout anot her human?•
Al of organisms need mat erial and energy for life.•
They get s mat erial and energy form anot her organisms.•
Organisms make int eract w it h ot hers– Wit h same species or anot her species
•
Learning about ecosyst em– M at erial cycle and energy flow • CO2, O2, H2O, N. and P cyclic
Componen ecosystem
• Biot ic
• Abiot ic
• Biot ic-biot ic
• Biot ic-abiot ic
• All of ecosyst em have spesific biot ic and a biot ic charact erist ic
– Rain forest :
• Humid, afew of sun light , Land have afew of nut rit ion,
• Tree, liana, arboreal
•
Sun is source of primery energy•
Plant , ganggang, cyanobact er can change sun energy t o chemical energyPredat ion
•
Occurs w hen one organism hunt s and kills anot her organism for food– Predat or: t he hunt er
– Prey: t he hunt ed, killed, and eat en organism
•
Predat ors have adapt at ions t o help t hem hunt preyPredator-Prey Relat ionships
Symbiosis
•
The relat ionshipM utualism
Commensalism
Parasitism
Commensalism
Parasitism
ENERGY FLOW
“All of organisms need energy”
What is t he source of energy?
What is t he primery of energy?
BIOGEOCHEM ICAL CYCLE
BIOTIC AND ABIOTIC COM PONENTS
ORGANISM S AND CHEM ISTRY
