WorksheetsAquatic Ecosystems
Total questions: 20
Worksheet time: 15mins
Salinity refers to
how many plants are in the water
how many organisms live in the water
how much salt in is water
Aquatic life is abundant, diverse, and full of sunlight at which zone?
littoral zone
benthic zone
limnetic zone
Almost ____% of the earth's surface is covered with water.
100%
75%
50%
35%
Which aquatic ecosystem are streams?
estuaries
freshwater ecosystem
ocean
wetland
Lakes are larger and deeper than ponds. This statement is:
True
False
This image belongs to a:
river
stream
ponf
lake
What are the two most important abiotic factors in determining the productivity, or amount of life in different areas of the ocean? Choose two.
Amount of sunlight.
Wind and wave speed
Nutrient levels in the water
Amount of dissolved carbon dioxide in the water
Pond/Lake
A an area of freshwater completely surrounded by land.
An area of low-lying ground where water collects.
A coastal ecosystem that is regularly flooded by the tides.
In deep ocean waters, few plants can grow. Animals often are bio-luminescent.
What is an aquatic ecosystem?
An aquatic ecosystem includes any water environment and the community of organisms that live there
An aquatic ecosystem includes any land environment and the community of organisms that live there.
Select all of the Abiotic factors below
water temperature
all the plants in the ecosystem
salinity (salt level)
amount of light
pH levels
Select all of the Abiotic factors below
water temperature
all the plants in the ecosystem
salinity (salt level)
amount of light
pH levels
What is an ecosystem?
An Estuary
A group of organisms of the same species that live in a specific geographical area.
A community of organisms and their abiotic environment.
This word is used to describe a water-based habitat
Terrestrial
Aquatic
Biotic
Abiotic
This word is used to describe living parts of an ecosystem
Abiotic
Terrestrial
Aquatic
Biotic
This word is used to describe nonliving parts of an ecosystem.
Terrestrial
Aquatic
Biotic
Abiotic
Which of the following best describes turtles, algae, fish and beavers?
Biotic factors found in lakes and ponds
Abiotic factors found in lakes and ponds
Biotic factors found in grasslands
Abiotic factors found in forests
