Aquatic Ecology Review Unit 3 – AP Environmental Science - PowerPoint Presentation

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Aquatic Ecology Review

Unit 3 – AP Environmental ScienceSlide2

A

porous,

spongelike

layer of rock, sand, or gravel that is capable of holding water Slide3

A

measure of the density of suspended particles (lack of clarity) in a water supplySlide4

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 precipitationSlide5

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 nutrientsSlide6

Ecosystem that lies along the shoreline between the farthest reach of the highest tides and the lowest reach of the lowest tideSlide7

Tree-dominated ecosystem in tropical and subtropical latitudes that consists of gently sloping sandy and

silty

coastal areasSlide8

Area where a river flows into the ocean, mixing fresh water and saltwaterSlide9

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 equatorSlide10

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 zoneSlide11

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 foodSlide12

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 OceanSlide13

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 alkalineSlide14

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 Slide15

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 reefsSlide16

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 activitiesSlide17

THE END! GOOD LUCK STUDYING!!!

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