MARINE ECOLOGY w w HABITAT ECOLOGY POPULATION COMMUNITY

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

BIOTIC FACTORS

ABIOTIC FACTORS w Examples….

Measuring population growth Exponential Curve Logistics Growth Curve Carrying capacity ? ?

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

SPECIALIST vs. GENERALIST

PREDATION w CARNIVORE w HERBIVORE w OMNIVORE

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

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

Inducible defenses Examples…. .

LIVING TOGETHER

SYMBIOSIS examples

FACULTATIVE symbiosis vs. OBLIGATIVE symbiosis

FLOW OF ENERGY w AUTOTROPHS w Food Chains HETEROTRPHS Food Webs

w TROPHIC LEVELS

Trophic pyramids

WHY PYRAMIDS? ? ?

DECOMPOSERS w EXAMPLES w Defined

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

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

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

w INTERTIDAL ZONE w LITTORAL ZONE w SUBTIDAL ZONE w SUBLITTORAL ZONE

Climate change in oceans Austin’s video clip