WorksheetsAquatic Final THS
Total questions: 77
Worksheet time: 39mins
Disgusting slime defense is used by
Hagfish
Eel
Lamprey
Perch
A fish may have in its coloration an "eyespot" which it uses to
confuse predators of what animal it is
confuse a predator who generally aims for heads
camouflage its head from its tail
All of the above
Areas of land that are regularly saturated with water.
wetland
salt reserves
forest
water lands
What part of a river is the beginning?
headlands
Organism without a backbone that can be seen without a microscope
They are invasive, so they'll take over an area AND they use A LOT of water
No, we pay way LESS than it is actually worth
What is water quality?
Used to describe the health of a water system.
nutrients used for growth by plants and algae frequently found in fertilizers
occurs when this poisonous substance is present in the environment in amounts great enough to harm plants, animals, and humans
pollution that comes from many sources rather than from a single, specific site
What is the difference between zooplankton and phytoplankton?
zoo is green and phyto is blue
one lights up and the other doesn't
only one uses echolocation
zoo= animal-like plankton and phyto= plant-like plankton
What percent of the Earth's water supply is freshwater?
3%
10%
71%
97%
The gravel and decor must be __________ before added to the tank.
cleaned with soap and water
cleaned with just water and a scrubber
washed in a dishwasher
rinsed with mineral water
The fish to tank ratio is ________ inche(s) to ________ gallon(s).
1 inch to 1 gallon
1 inch to 2 gallons
2 inch to 1 gallon
2 inches to 2 gallons
What must be added to the tank every time tap water is added?
water conditioner
acid
calcium
food
All fish are ________________ which means they're coldblooded.
ectothermic
endothermic
exothermic
scutes
An area of land that catches rain and snow and where water flows downward into a specific river, stream, lake or aquifer.
watershed
groundwater
precipitation
condensation
Water present underground in aquifers is called
groundwater
rivers
watershed
transpiration
Oxygen present in the water for the use by aquatic organisms
dissolved oxygen
Hypolimnion
mesotrophic
pH
Measure of how basic or acidic water is
pH
thermocline
eutrophcation
watershed
Turtles ...
are primary consumers
are primary producers
eat no food
use energy from the sun to make food
Which Class of fish do sharks and rays belong to?
Diasmosis
Chondrichthyes
Osteichthyes
Agnatha
The types of organisms found in any aquatic ecosystem depend on
the amount of sunlight available.
the temperature of the water.
the presence of nutrients
all of the above
Aquatic ecosystem is...
An ecosystem that is located in bodies of water.
A layer of shorter plants that grow in the shade of a forest canopy.
An extremely dry area with little water and few plants
Ground that is permanently frozen
Two types of aquatic ecosystems
The region of shallow ocean water over the continental shelf.
A habitat in which the fresh water of a river meets the salt water of the ocean.
marine (saltwater) and freshwater
sunlight
Which of the following is NOT a freshwater biome?
river
lake
pond
estuary
What types of fish reproduction occur?
Egg laying or live bearing
The mantle secretes shiny nacre to cover an irritant (like sand)
burying their eggs
they spawn asexually
Are successful invasive species generalists or specialists?
Generalists, they're able to do well in many types of areas
They are invasive, so they'll take over an area AND they use A LOT of water
specialist because they need a real specific place to survive
Organism without a backbone that can be seen without a microscope
Most of Earth's freshwater is found in
glaciers and ice caps
soft-bodied invertebrates that usually have a shell
oceans
headwaters
What percentage of the earth is covered in water?
71%
97%
3%
1%
How much energy is transferred to the next trophic level?
10%
97%
3%
1%
What is the difference between producers and consumers?
Producers make their own food using sunlight. Consumers must eat other organisms to get their energy.
Generalists, they're able to do well in many types of areas
P- have a backbone C- do not have a backbone
Producers release eggs and consumers don't
Phytoplankton carries out one very important function; it can...
photosynthesis
absorb oxygen
release carbon dioxide
eat zooplankton
What is needed to maintain the health of your fish and organisms within the tank?
Filter
Heater
Thermometer
All of the above
It is okay to purchase fish from a tank with only one dead fish.
yes
no
When should you use chemicals and soap to clean the aquarium?
Only if there is nothing else
When you friends say it's ok
When you are finished with the tank
Never
What is the purpose of fish and wildlife conservation and management?
To encourage healthy fish and wildlife populations and habitats
To develop new species of fish
To identify fish and wildlife in the wilderness
To save money
Why is Leave No Trace an important practice?
To sustain the environment for generations to come.
You will not be able to be tracked by a Mountain Lion
So you won't be able to find your campsite in the future.
So your campfire doesn't restart.
Why are there fishing regulations, limits and seasons?
To protect species from being overfished
To give fish a chance to grow and spawn
To keep our aquatic ecosystems diverse, balanced, and healthy
All of these answers
What could cause harmful environment changes within aquatic ecosystems of Texas
More people becoming conservationist
Following rules and conducting themselves ethically
Take just one or two more fish than allowed, because it won't hurt anything
Bring trash bags and throw all trash away properly
Water that lies on the surface of the earth like streams, river, and lakes are considered what?
Surface water
Aquifer
Groundwater
Flood
Why do we need to conserve water?
it is a limited resource
it is an unlimited resource
there is a lot of water
there is no need to conserve water
What percentage of the Earth's fresh water is available to us?
97%
70%
3%
1%
What is the main cause of water pollution?
Wildlife
Invasive Species
Human Impact
Plants and Insects
Water is what type of resource?
Renewable resource
Nonrenewable resource
Sustainable
Fossil fuels
What are resources that can be replaced during a human lifetime?
Renewable
NonRenewable
Pollution
Conservation
Give an example of a threat to a water shed
Pollution
Climate Change
Agriculture
All of the above
Most of the pollution in the ocean comes form activities on land
Always
Sometimes
Seldom
Never
Ecology is the study of what?
the study of the interactions of living organisms with one another and with their physical environment`
ilter feeders (they suck water in with their siphons and let plankton stick to their gills. It's then swept towards their labial palps and mouth)
Sun
trees and land
What are the two main sources of fresh water?
Groundwater & surface water
Egg laying or live bearing
Oceans and seas
Continents and mountains
What is an aquifer?
An aquifer is a body of water underground. It is an area of stored groundwater.
zoo= animal-like plankton phyto= plant-like plankton
A well that water comes out of
A pond or lake
What powers the hydrologic (water) cycle?
Sun
Moon
Turbine
Generator
Is it possible to make new water or is the water on Earth the water that has always been here?
Our water has always been here, just cycles through different forms
New water is made all the time
Water goes into space so we need to make new water
Scientist have learned how to make new water
The open ocean has layers called life zones. These life zones are based on __________________.
The amount of sunlight they get
The distance from the shore
The amount of dissolved oxygen
The amount of fish that live there
Aquatic organisms that are strong swimmers and consumers.
Nekton
Benthos
Zooplankton
Plankton
Aquatic organisms that are bottom dwellers. They either anchor themselves on the bottom of the sea floor or walk along the bottom.
Benthos
Nekton
Plankton
Zooplankton
Where freshwater mixes with saltwater at the mouth of a river.
Brackish Water
River
Stream
Pond
Why is sunlight the most important abiotic factor in an aquatic ecosystem?
It is necessary for photosynthesis in water.
Deep area of the ocean beyond the edge of the continental shelf
An area of grassland with scattered trees and bushes
Water temperature
Where in the ocean would there be no photosynthetic organisms found?
Deep Ocean
The coastline
The beach
Coral reef
Which of the following actions is an example of how humans affect wetlands?
draining a wetland to create farmland
clearing a wetland to build a housing development
using a wetland as a landfill
All of them
Wetlands are most important to fisheries in the United States because
wetlands are the easiest place to catch fish.
wetlands are the breeding ground for insects that are eaten by fish.
wetlands provide the most desirable species of fish.
many of the fish caught each year use wetlands for feeding and spawning.
Why doesn't photosynthesis occur in deep ocean water?
The water temperature is too cold.
There are not enough nutrients.
There is no sunlight
The salinity level of the water is too high.
Which of the following is a threat to coral reefs?
Oil spills
Sewage
Pesticides
All of them
Estuaries
are ecosystems where both fresh water and salt water are present.
are always saltwater ecosystems.
are always freshwater ecosystems.
prevent the development of salt marshes.
The majority of marine organisms are found in
deep ocean waters.
shallow, coastal waters.
fisheries
none of them
Which aquatic ecosystem is adversely affected by runoff?
Rivers
Oceans
Estuaries
All of them
Water easily dissolves toxins, this is because water is ...
Universal Solvent
Nonpolar
Attracted to oil
Made of sodium
When harmful substances contaminate rivers, streams, lakes and oceans
Trophic Cascades
Dissolved Oxygen
Water Pollution
Biomagnification
When pollution comes from a specific location
Point source
Non-point source
Your house
Your street
A fish can detect movement and vibrations in the water by means of its
Lateral Line
Excellent vision
Sense of smell
Scales
Jawless fish belong to the class
Agnatha
Condrictheyes
Osteichthyes
All of them
Countershading is...
an adaptation designed to camouflage a fish from above
used to defend against the sun
ability to change color
all of them
Bony fish belong to the class
Osteichthyes
Agnatha
Chondricthyes
all of them
The ability of an organism to maintain its internal body temperature. "warm blooded"
Endothermic
Ectothermic
Warmthermic
Temperature dependent
When toothed whales create a variety of sounds by moving air in their sinuses it is known as...
Echolocation
Endothermic
Baleen
Mysticeti
Whales belong to the class
Mammalia
Reptilia
Amphibian
Insecta
Measure of water clarity, how much sediment is suspended in water
Turbidity
Dissolved Oxygen
Sedimentation
Clear water
Toxins dissolved in water that are harmful
Pollution
Turbidity
Oxygen sag
Coliform
Pollution from run off that cannot be traced back to a source, like farm, parking lot, or street run off
Non Point Source Pollution
Eutrophication
Thermocline
Watershed
What term means cold blooded?
Ectothermic
Endothermic
Exothermic
Scutethermic
When pollution comes from a specific location
Point pollution
Nonpoint pollution
Your house
Your street
When harmful substances contaminate rivers, streams, lakes and oceans
Water pollution
Biomagnification
Trophic Cascades
Dissolved Oxygen
