Type
Crossword
Description

Where light doesn't penetrate through the water Abyssal Zone
Portion of the ocean that lacks sunlight Aphotic Zone
Bottom of the marine ecosystem Benthic Zone
A mix of freshwater and saltwater Brackish Water
When some organisms use energy to make food Chemosynthesis
Most diverse marine biome Coral Reef
Technology that allows us to explore the deep parts of the ocean Deep Ocean Technology
Water where fresh water and salt water meet Estuaries
Cracks on the ocean floor where magma heats up the bottom Hydrothermal Vent
An area that stretches so far you can see the point on continental shelf Intertidal Zone
Living and non-living organisms things in saltwater Marine Ecosystem
Patterns created by the ocean Ocean Currents
The different parts of the ocean Ocean Zones
Area past the continental shelf Open-Ocean Zone
Open water above the ocean floor Pelagic Zone
Portion of the ocean where sunlight can enter through Photic Zone
Plants use this to make food Photosynthesis
How much salt is in a liquid Salinity
Movement of nutrient-rich bottom water to the oceans surface Upwelling

Life In Earth's Ocean Crossword

Type
Crossword
Description

Are bodies of water found in areas where freshwater from rivers and streams and salt water from the ocean meet. Estuaries
A measure of the amount of dissolved salt in a liquid. Salinity
A mix of freshwater and seawater which commonly occurs in estuaries where a river enters the ocean. Brackish Water
All of the living and nonliving things in a saltwater environment. Marine Ecosystem
The most diverse marine biome on Earth, found in warm, shallow waters beyond the shoreline. Coral Reef
The portion of the ocean that is shallow enough for sunlight to penetrate, allowing photosynthesis to occur. Most life lives in this part of the ocean. Photic Zone
The portion of the ocean that lacks sufficient sunlight for photosynthesis; permanently dark. Aphotic Zone
1. Intertidal-high and low tides, 2. Benthic-ocean floor, 3. Pelagic-open ocean water (divided into Neritic and Open Ocean Zones). Ocean Zones
An area that stretches from the highest high-tide line on land out to the point on the continental shelf exposed by the lowest low tide. Intertidal Zone
The bottom of a marine ecosystem; consists of sand and sediment and supports its own community of organisms. Benthic Zone
Open water above the ocean floor; can be divided into zones. Pelagic Zone
The area of the ocean that extends from the low-tide line out to the edge of the continental shelf. Neritic Zone
The area of the ocean beyond the edge of the continental shelf that contains the most variety of life forms as it is the largest zone of the ocean. Open-Ocean Zone
The portion of the ocean floor where light does not penetrate and where temperatures are cold and pressures intense. Abyssal Zone
Movement of nutrient-rich bottom water to the ocean's surface. (It brings nutrients to the surface of the ocean and organisms come up to feed on it). Upwelling
Plants use the sun's energy to convert water and carbon dioxide into food (sugar). Photosynthesis
Process by which some organisms, such as certain bacteria, use chemical energy (from hydrothermal vents) to produce food. Chemosynthesis
An area where ocean water sinks through cracks in the ocean floor, is heated by the underlying magma, and rises again through the cracks. Hydrothermal Vent
Global patterns created from the movement of the oceans; such as the Gulf Stream. Ocean Currents
Technology that continuously provides information about new life forms, Earth resources, and geologic processes. Examples: SONAR, ROV, Submersible, Buoys, etc. Deep Ocean Technology

Aquatic Ecosystems Crossword Puzzle

Type
Crossword
Description

What measures the amount of salts dissolved in water? salinity
Which aquatic layer has enough sunlight for photosynthesis? photic zone
Which aquatic layer is below the the photic zone? aphotic zone
Which aquatic layer is located at the very bottom of a body of water? benthic zone
What is the shallow, near-shore part of the photic zone called? littoral zone
What part of the photic zone is home to a rich amount of invertebrates? limnetic zone
What are the areas of land that are flooded with water for part of the year called? wetlands
What are the areas that are located near a river and are periodically flooded called? flood plain
What forms when freshwater from land drainage meets water from an ocean or inland sea? estuary
What is the vertical flow of cold, nutrient rich water towards the surface of a body of water? upwelling
What transports warm water rich in dissolved gases from the surface of the ocean to the depths of the ocean? downwelling
What are aquatic ecosystems with a salinity of 0.5 to 30 ppt called? brackish
What is an isolated, U-shaped body of water called? oxbow lake

Aquatic ecosystem Word Search

Type
Word Search
Description

Oligotrophic lake
Eutrophic lake
Freshwater zone
Benthic zone
Pelagic zone
Intertidal zone
Nertuc zone
freshwater wetland
Plankton
oceanic zone
Estuary
photic zone
aphotic zone

Activity A: Aquatic Ecosystem Crossword

Type
Crossword
Description

_____ measurement of the amount of salt dissolved in water Salinity
when aquatic life gets enough photosynthesis it is referred as ___ photic zone
where no photosynthesis occurs aphotic zone
The very bottom of an aquatic ecosystem is the ____ zone benthic
near-shore area is named the _____ zone littoral
where there is no rooted plants farther from shore limnetic zone
a perimeter near the river ofter flooded flood plain
a combination of fresh water and land (very productive, natural filtration) wetlands
Where fresh water meets salt water (coastal) estuaries
nutrient rich water moving to surface in a vertical cold flow. upwelling

ocean Zones Crossword

Type
Crossword
Description

large-area ecosystem sharing similar characteristics; an environmental unit biome
bottom environment; refers to animals living on or in the seabed benthic
area of ocean where light does not penetrate; also called the midnight zone aphotic zone
specific area or type of environment in which an organism is found habitat
free-swimming organisms nekton
waters over the continental shelf; nearshore zone neritic province
lighted region of the ocean; area where photosynthesis can occur; also called the sunlit zone photic zone
shores made up of solid rock and usually steeper than sandy beaches rocky coasts
benthic area of the continental shelf below the low-tide area; also called subtidal sublittoral zone
dry area above the high-tide line; sometimes called the spray or splash zone supralittoral zone
the area of crashing waves along a sandy beach surf zone
upper layer of water extending to depth of 200 meters; in the photic or sunlit zone epipelagic zone
dimly lit region of the ocean where there is not enough light to carry on photosynthesis; also called the twilight zone disphotic zone
organisms that are attached to a surface and cannot move around sessile

Biosphere to ecosystems Crossword

Type
Crossword
Description

lowest region of the atmosphere, from earth's surface to 6-10km troposphere
a secondary consumer carnivore
water zone at the bottom of the sea benthic
uppermost water zone of the sea photic
a primary consumer herbivore
all the animal and plant populations in an area community
type of reef formed from calcium carbonate of tiny sea animals coral
regions of the earth where life can exist biosphere
a distinct region of the earth typically defined by climate and dominant vegetation biome
zone of open ocean away from the shore pelagic

Oceans Crossword Puzzle

Type
Crossword
Description

What is the flat region on the ocean floor called? AbyssalPlain
What is a deep valley on the ocean floor called? Trench
What are the active swimmers in a body of water called? Nekton
What are the tiny organisms called that drift in the ocean? Plankton
What is a community of organisms that live on or near a ''Benthic Zone?'' Benthos
What is an underwater mountain called? Seamount
What is a large stream of moving water through the oceans called? Current
What is energy that moves through a body of water? Wave
What is the daily rise and fall of ocean water called? Tide
What is the salt content of water called? Salinity
What is the slope that connects the continental shelf and the abyssal plain called? ContinentalSlope
What is the part of the ocean that starts at the coastline and ends at the sloping part of the ocean floor? ContinentalShelf

Aquatic Biomes Crossword

Type
Crossword
Description

The ecosystem that blends freshwater with saltwater estuaries
A major abiotic factor of aquatic biomes temperature
A major abiotic factor of aquatic biomes oxygen
A major abiotic factor of aquatic biomes light
Freshwater has very little salt
Algae and amobas are examples of protists
Bodies of water surround by land lakes
An area of land saturated with water mor part of the year wetland
Plant found in wetlands cattails
These ecosystems protect nearby land from floods and erosion wetlands
An ecosystem that can flow fast or slow River
A plant found in rivers or streams rhizoids
A partially enclosed body of water formed were a river flows into an ocean estuary
A tree that grows in an estuary mangrove
Cordgrass has adaptations that help them get rid of excess salt
This biome includes saltwater ecosystems marine
The underwater zone from the shore to the edge of the continental shelf neriticzone
Where the abyssal zone is found deepoceans
This ecosystem extends from the edge of the continental shelf to its base bathyal
A forest found in the marine biome kelp

Marine Ecology Crossword

Type
Crossword
Description

animal that eats fellow animals carnivore
orgaanism that breaks down other organisms decomposer
animal that feeds on bacteria detritus feeder
an eviroment with particuar types of organisms habitat
moving spontaneously motile
role, function or job niche
animal that eats both plants and animals omnivore
"floating animals" animal form of plankton zooplankton
common feeding at the same link on food chains trophic level
group of individuals population
region of a coasttline, usually indented estuary
bottom of a body of water (i.e the sea) benthic
rapid often unpredictable growth bloom
group consisting of both living organisms and the non living enviroment ecosystem
one of a subclass (Copepoda) of minute shrimp-like copepod
herbivores and carnivores that consume energy originally transformed into food by the primary producers consumer
those pelagic animals that are active swimmers nekton
substance required for growth nutrient
- upper portion of a lake, river or sea, sufficiently illuminated for photosynthesis to occur photic zone
animals having a backbone vertebrate
an animal that feeds by removing either living or dead material suspended in the water suspension feeder
one of a class (Bacillariophyceae) of microscopic plankton organisms diatom
the tendency of an object to rise or float buoyancy
tiny, hair-like projections cilia
an organism capable of synthesizing its organic nutrients directly from the sunlight energy or from inorganic nutrients autotroph
- a distinct feature of an organism that allows it to survive more easily in its environment adaptation
a simple plant, without a true stem algae
the vertical movement of water up to the ocean surface from the ocean floor upwelling
permanently attached; not free to move about sessile
the passively drifting or weakly swimming organisms in marine and freshwater habitats plankton
capture of light energy and its transformation into usable energy photosynthesis
an embryo larva
a group of interacting food chains food web

Life in Earth's Oceans Crossword

Type
Crossword
Description

The portion of the ocean floor where light does not penetrate and where temperatures are cold and pressures intense. abyssal zone
The portion of the ocean that lacks sufficient sunlight for photosynthesis; permanently dark. aphotic zone
The bottom of a marine ecosystem; it consists of sand and sediment and supports its own community of organisms. benthic zone
A mix of freshwater and seawater which commonly occurs in estuaries where a river enters the ocean. Brackish water
Process by which some organisms, such as certain bacteria, use chemical energy (from hydrothermal vents) to produce food. Chemosynthesis
The most diverse marine biome on Earth, found in warm, shallow waters beyond the shoreline. Coral Reef
Technology that continuously provides information about new life forms, Earth resources, and geologic processes. Examples: SONAR, ROV, Submersible, Buoys, etc. Deep Ocean Technology
Are bodies of water found in areas where freshwater from rivers and streams and salt water from the ocean meet. Estuaries
An area where ocean water sinks through cracks in the ocean floor, is heated by the underlying magma, and rises again through the cracks. Hydrothermal Vent
An area that stretches from the highest high-tide line on land out to the point on the continental shelf exposed by the lowest low tide. Intertidal Zone
All of the living and nonliving things in a saltwater environment. Marine Ecosystem
The area of the ocean that extends from the low-tide line out to the edge of the continental shelf. Neritic Zone
Global patterns created from the movement of the oceans; such as the Gulf Stream. Ocean Currents
1. Intertidal-high and low tides, 2. Benthic-ocean floor, 3. Pelagic-open ocean water (divided into Neritic and Open Ocean Zones). Ocean Zones
The area of the ocean beyond the edge of the continental shelf that contains the most variety of life forms as it is the largest zone of the ocean. Open-Ocean Zone
Open water above the ocean floor; can be divided into zones. Pelagic Zone
The portion of the ocean that is shallow enough for sunlight to penetrate, allowing photosynthesis to occur. Most life lives in this part of the ocean. Photic Zone
Plants use the sun's energy to convert water and carbon dioxide into food (sugar). Photosynthesis
A measure of the amount of dissolved salt in a liquid. Salinity
Movement of nutrient-rich bottom water to the ocean's surface. (It brings nutrients to the surface of the ocean and organisms come up to feed on it). Upwelling