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WorksheetsAquatics Final Review
Total questions: 40
Worksheet time: 41mins
Why do scientists use sampling?
To create new habitat
Because each part of an ecosystem is connected to and depends on all the others
Because ecosystems may change in response to natural or human-caused events
To estimate populations without having to count each organism
Which of the following is not a way that wetlands improve our environment?
Wetlands are not good places to be used as a nursery or spawning ground
Wetlands maintain water quality by filtering out pollutants in runoff
Wetlands help reduce flood damage by acting like a sponge
Wetlands help to recharge aquifers because they slow down the flow of rainwater
What is biodiversity?
A complex web of relationships between living and non-living things
The variety and number of different organisms and populations, and the way they live together
The kinds of aquatic ecosystems found in Texas
None of the choices are the correct answer
Which of the following statements describes the oxygen level in a pond?
The amount of oxygen dissolved in the water stays pretty even over a 24- hour period.
The water is too deep for plants to grow on the bottom, making it oxygen poor.
Oxygen levels are high each day while the sun is shining and plants are photosynthesizing, but they can drop dramatically at night
None of the answers given are correct.
Some human activities that reduce aquatic biodiversity include _____.
Draining a wetland
Damming a river
Pumping water out of an aquifer
All of the answers given are correct
A ______ is a partly enclosed body of water along the coast where one or more streams or rivers enter and mix freshwater with seawater, while ________ is a body of water enclosed by land that is directly open or connected, to the ocean
(a)
Which of the following does not explain how freshwater inflow effects bays and estuaries?
Provide freshwater for plants
Provide for many niches (roles) in an estuary ecosystem
Provide nutrients to feed fish, wildlife, and invertebrates
All of answers given are incorrect
How are estuaries connected to oceanic organisms?
Estuaries provide provide a nursery grounds for oceanic organisms
Estuaries provide sunlight for oceanic organisms.
Estuaries provide primary food for oceanic organisms.
Estuaries provide excess dissolved oxygen for oceanic organisms.
Why is ocean water denser that fresh water?
Ocean water contains more salt than fresh water
Ocean water is deeper that most bodies of fresh water
Ocean water has waves that move the water around
Ocean water contains more organisms than fresh water
Which letter represents the intertidal zone?
A
B
C
D
Which letter represents the neritic ocean zone of the picture provided?
G
H
J
K
Which of the following letters represent the aphotic zone?
E
F
G
H
Aquifers are habitat for unique aquatic organisms that require clean, clear, free flowing water. These ecosystems are predictable environments with constant temperature. How would a drought affect these ecosystems?
Increase temperature
Decrease spring flow
Increase carrying capacity
Decrease aerobic conditions
A confined aquifer has several parts including _______.
Permeable material, karst, and springs
Recharge zone, permeable material, and springs
Impermeable material, recharge zone, and springs
Permeable material, impermeable material, recharge zone, and springs
What is the difference between a confined and unconfined aquifer?
The unconfined aquifer has an impermeable material layer
The confined aquifer has an impermeable material layer
The confined aquifer is in direct contact with the surface
The unconfined aquifer feeds directly into springs
The amount of oxygen dissolved in water is dependent on all of the following EXCEPT
pH
Water temperature
Salinity
Air pressure
Which of these describe the impact of sediments and nutrients brought by storm water runoff on a lake or pond ecosystem?
Lake water would rise.
There would be no long-term damage.
Pond succession would speed up.
All of the answers given are correct.
In the ocean where evaporation is high (a) is also high.
The energy and motion of surface currents is driven by (a) .
The two most significant factors affecting the density of ocean water are salinity and (a) .
Deep water currents are caused by differences in _____________.
Currents
Winds
Upwellings
Densities
Surface waters are driven from the coasts allowing deep cold nutrient rich water to rise in a process called __________________.
Density
Coriolis
Thermohaline
Upwelling
What three factors are required for a place to be considered a wetland?
Saturated soil, diverse plant and animal community, standing water
Standing water, plants specially adapted to live in saturated soil, water year around
Saturated soil, wet for a majority of the growing season, plants specially adapted to live in saturated soil
Standing water, wet for a major part of the growing season, plants specially adapted to live in standing water
The intertidal zone is a stressful environment for the organisms living there because they have to deal with
Changes in water temperature from cold to warm
Constant changes in the amount of sunlight
Constant changes between water and dry land
All of the given answers are correct.
Which of the following is important to slowing pond succession and keeping a pond healthy?
Keeping a 100-foot-wide buffer of thick plant growth around the pond.
Stopping excess erosion.
Stopping runoff loaded with fertilizers, pesticides or other pollutants.
All of the answers given are correct
Plants living in moving water have ______.
Long, thin, flexible stems that offer little resistance to the current and strong root systems to hold them in place.
Are tiny, free-floating species of algae, and are the food base of the ecosystem.
Are tall because they have greater support, enabling them to rise above other plants to reach the sun.
None of the answers given are correct
A lake has most of its life _______.
In a ring around the shoreline, reaching out as far as it can survive.
In open-water zone away from shore, as far down as sunlight reaches.
In the deep-water zone.
Both the deep-water zone and the area around the shoreline
Plants living in lakes and ponds ____.
Have long, thin, flexible stems that offer little resistance to the current and strong root systems to hold them in place.
Include tiny, free-floating species of algae and are the food base of the ecosystem.
Have waxy or slimy coatings protect them from drying out when water levels drop, and porous stems or leaves let them absorb minerals right from the water.
Can be free-floating algae as well as have waxy coatings and porous stems or leaves
Plants living on wetlands have:
Thick stems adapted to hold water
Thorns and spines for protection
Roots that can pull in water and still get air
None of the answers are correct.
Predict the impact of flooding on the organisms in a wetland ecosystem
Some fish, plants or other aquatic life could be washed downstream
Floods could promote subsequent growth of wetland plants once the water recedes
Fresh nutrients would be brought in by the flood
All of the answers given are correct
What three factors are required for a place to be considered a wetland?
Saturated soil, diverse plant and animal community, standing water
Standing water, plants specially adapted to live in saturated soil, water year round
Saturated soil, wet for a majority of the growing season, plants specially adapted to live in saturated soil
Standing water, wet for a major part of the growing season, plants specially adapted to live in standing water
What is a way that people harm wetlands?
Dump their garbage in wetlands
Drain them of their water
Fill wetlands with sedimentation
All of the answers given are correct
Seagrasses have special roots that let them live in the somewhat salty water where rivers meet the ocean. These roots collect sediments, debris, and mud. Seagrasses also provide shelter for wildlife. The high winds of hurricanes often destroy seagrass. The destruction of these plants most likely affects ecosystems by _______________.
Reducing beach erosion in sea-turtle nesting areas
Reducing the amount of the saltwater flowing into the lakes
Forcing aquatic organisms to find other places for nurseries.
Causing pollution in inland rivers and streams
Daily changes in the elevation of the ocean surface are called ______.
Currents
Waves
Density currents
Tides
Animals in ecosystems in aquifers are adapted to which of the following conditions?
Nutrient poor conditions and sunlight
Aerobic conditions and nutrient poor conditions
No light and aerobic conditions
Nutrient poor conditions and No light
During coral bleaching corals look white after spit out toxic (a) .
Coral reefs, mangrove swamps, and sea grasses provide critical (a) and food sources for many ocean swelling organisms.
What causes the hypoxic zone?
Movement of organisms in the water
Movement of tides in the intertidal zone
Chemical pollution that leads to algae blooms
Release of carbon dioxide by plants during photosynthesis
One of the species that can be found in greater depths is the octopus. They can live in a deeper zone that begins at the edge of the continental shelf and extend to the beginning of the abyssal plain. This zone is called the _______________.
Intertidal zone
Bathyal zone
Neritic zone
Abyssal zone
Artificial reef ecosystems are different from coral reefs because
They contain species that need a hard surface to cling to
They are made from oil and gas structures in the gulf
They contain coral, mollusk, and echinoderms
All of the answers given are correct.
