AQUATIC ECOLOGY REVIEWUNIT 3 – AP ENVIRONMENTAL SCIENCE

A POROUS, SPONGELIKE LAYER OF

ROCK, SAND, OR GRAVEL THAT IS

CAPABLE OF HOLDING WATER

A MEASURE OF THE DENSITY OF SUSPENDED

PARTICLES (LACK OF CLARITY) IN A WATER

SUPPLY

THE FISH IN THE LAKE AT THE LOCAL PARK ARE DYING. A PROFESSOR FROM THE LOCAL COLLEGE COMES TO INVESTIGATE, AND FIRST SHE MEASURES THE DISSOLVED OXYGEN BECAUSE SHE WANTS TO CHECK FOR THE ________.

• A) PRESENCE OF HEAVY METALS

• B) PRESENCE OF BACTERIA

• C) POSSIBILITY OF EUTROPHICATION

• D) AQUATIC BIODIVERSITY

• E) INFLUENCE OF ACID PRECIPITATION

A KEY CHARACTERISTIC OF AQUATIC DEAD ZONES IS ________.

• A) A HIGH CONCENTRATION OF ORGANISMS RESULTING IN EXTREME COMPETITION AND FINALLY THE DEATH OF MOST

• B) A LOW CONCENTRATION OF KEYSTONE SPECIES

• C) A HIGH CONCENTRATION OF URBAN DEVELOPMENT

• D) A LOW CONCENTRATION OF OXYGEN

• E) A LOW CONCENTRATION OF NITROGEN AND PHOSPHORUS NUTRIENTS

ECOSYSTEM THAT LIES ALONG THE SHORELINE

BETWEEN THE FARTHEST REACH OF THE HIGHEST TIDES AND THE LOWEST REACH OF THE LOWEST

TIDE

TREE-DOMINATED ECOSYSTEM IN TROPICAL

AND SUBTROPICAL LATITUDES THAT CONSISTS OF GENTLY SLOPING SANDY AND SILTY COASTAL AREAS

AREA WHERE A RIVER FLOWS INTO THE

OCEAN, MIXING FRESH WATER AND SALTWATER

OCEAN WATER IS SALTIEST ________.• A) WHERE THERE IS A LARGE AMOUNT OF GLACIAL

MELTING

• B) WHERE RAINS ARE THE HEAVIEST

• C) WHERE THERE IS HIGH EVAPORATION AND LOW PRECIPITATION

• D) IN ESTUARIES

• E) AT THE EQUATOR

THE AREA THAT UNDERLIES THE SHALLOW WATER BORDERING CONTINENTS IS CALLED THE ________.

• A) PYCNOCLINE

• B) TOPOGRAPHIC SHELF

• C) CONTINENTAL SHELF

• D) BATHYMETRIC ZONE

• E) SURFACE ZONE

WHAT ARE GROUNDFISH?

• A) FISH THAT FORM THE BASE OF THE FOOD WEB OF DEEP-WATER HABITATS

• B) VARIOUS SPECIES THAT LIVE IN BENTHIC HABITATS, SUCH AS HALIBUT, COD, AND FLOUNDER

• C) VARIOUS SPECIES THAT LIVE IN LITTORAL HABITATS, SUCH AS TUNA, GROUPER, AND WHITEFISH

• D) VARIOUS SPECIES THAT ARE FOUND IN ESTUARIES

• E) FISH THAT ARE GROUND UP AND USED FOR BAIT OR FISH FOOD

ZOOXANTHELLAE ARE ________.• A) AN ENDANGERED SPECIES OF FISH IN THE

PACIFIC OCEAN

• B) SYMBIOTIC BACTERIA THAT DECOMPOSE TISSUES OF DEAD ANIMALS IN OCEANS

• C) SYMBIOTIC BACTERIA THAT FIX NITROGEN IN OCEANS FOR CORALS

• D) SYMBIOTIC ALGAE THAT PROVIDE CORALS WITH ENERGY VIA THEIR PHOTOSYNTHETIC ACTIVITY

• E) AN INVASIVE SPECIES OF KELP IN THE INDIAN OCEAN

AS WATER WARMS, IT ________.

• A) DECREASES IN DENSITY, RISING TO THE SURFACE

• B) DECREASES IN TEMPERATURE

• C) SINKS

• D) DISSOLVES INCREASED AMOUNTS OF OXYGEN FROM THE ATMOSPHERE

• E) BECOMES MORE ALKALINE

UPWELLING ________.

• A) OCCURS IN AREAS WHERE THERE ARE NO CURRENTS

• B) IS THE FLOW OF WARM WATER UP TOWARD THE OCEAN SURFACE

• C) RESULTS IN AREAS OF HIGH PRIMARY PRODUCTIVITY AT THE OCEAN SURFACE

• D) OCCURS WHERE WINDS BLOW AT RIGHT ANGLES TOWARD THE COASTLINE

• E) TRANSPORTS OXYGEN UP TOWARD THE OCEAN SURFACE

HYDROTHERMAL VENTS ________.

• A) CREATE OCEAN CURRENTS

• B) PROVIDE CHEMICALS TO SYMBIOTIC BACTERIA THAT SUPPORT ECOSYSTEMS AT THE OCEAN FLOOR

• C) OCCUR IN TROPICAL AREAS AT THE OCEAN SURFACE

• D) MAKE THE PHOTIC ZONE OF OCEAN PELAGIC AREAS THE MOST PRODUCTIVE

• E) ARE PASSAGEWAYS FOR FISH WITHIN CORAL REEFS

SALT MARSHES ________.

• A) CONTAIN TOO MUCH SALT TO BE INHABITED BY MANY ORGANISMS

• B) OCCUR MOSTLY IN TROPICAL AREAS

• C) OCCUR MOSTLY IN ARCTIC AREAS

• D) OCCUR MOSTLY IN TEMPERATE AREAS

• E) PRESENTLY HAVE REMAINED UNDISTURBED BY HUMAN ACTIVITIES

THE END! GOOD LUCK STUDYING!!!