MARINE ECOLOGY HABITAT… ECOLOGY… POPULATION…. COMMUNITY..

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Presentation transcript:

MARINE ECOLOGY HABITAT… ECOLOGY… POPULATION…. COMMUNITY.. Climate change in oceans video clip

BIOTIC FACTORS

ABIOTIC FACTORS Examples….

Measuring population growth Exponential Curve Logistics Growth Curve What gets used up as curve goes higher and higher? Birth rate = death rate Carrying capacity……growth limiting resources…light, nutrients, Carrying capacity ??

COMPETITION defined… is it good? INTERSPECIFIC Competitive Exclusion Resource Partitioning COMPETITION defined… is it good? INTRASPECIFIC

SPECIALIST vs. GENERALIST

PREDATION CARNIVORE HERBIVORE OMNIVORE

NATURAL SELECTION……….. FAVORS THOSE WHO ARE GOOD ……… AND ALSO THOSE WHO ARE GOOD AT ………….

DEFENSE MECHANISMS POISONS SHELLS TOXINS ??????…….

Inducible defenses Examples…..

LIVING TOGETHER

SYMBIOSIS examples

FACULTATIVE symbiosis vs. OBLIGATIVE symbiosis

FLOW OF ENERGY AUTOTROPHS HETEROTRPHS Food Chains Food Webs

TROPHIC LEVELS

Trophic pyramids

WHY PYRAMIDS???

DECOMPOSERS EXAMPLES Defined

NUTRIENT CYCLES Energy vs. Minerals importance CARBON………………….. NITROGEN………………. PHOSPHORUS…………..

ECOLOGICAL ZONES Based on where and how organisms live PLANKTON NEKTON BENTHIC P E L A G I C

PELAGIC ENVIRONMENT Epipelagic…200m Mesopelagic..1000m Bathypelagic..4000m Abyssalpelagic..deep Hadopelagic..deeper

INTERTIDAL ZONE LITTORAL ZONE SUBTIDAL ZONE SUBLITTORAL ZONE

Climate change in oceans Austin’s video clip