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Primary Producers Limnology Aquatic Food Web Limnological data Tails, fins and scales
100
What are primary producers
Organisms that introduce energy into the food web
100
What is a limnologist
A specialist who studies inland waters
100
What is energy
The aquatic food web is a diagram of the complex movement of what through an aquatic environment
100
What is a line graph
A type of graph showing how something changes over space or time
100
What is the sea lamprey
An invasive, parasitic fish native to the Atlantic Ocean that has infiltrated the great lakes
200
What are algae
Single celled aquatic organisms that make energy by photosynthesis
200
What is a Secchi disk
A white, or sometimes parti-colored disk used to determine the transparency of water
200
What are secondary consumers
The source of energy for tertiary consumers
200
What is a bar graph
A type of graph used to compare and contrast numbers, frequencies or other measures of distinct categories of data
200
What is lake trout
A freshwater char living in lakes in northern North America including Lake Superior, also known as siscowet
300
What is chlorophyll
Most common photosynthetic chemical in algae and aquatic plants
300
What is an aquifer
A layer of rock, gravel and/or sand that contains water that can feed a well or spring
300
What are zooplankton
Primary consumers such as copepods are one of the types of organisms known generally as
300
What are variables
Light, depth, chlorophyll concentration, temperature are examples of
300
What is lake sturgeon
The largest, and one of the longest lived, fish in Lake Superior
400
What are phytoplankton
Group of organisms that are plant-like and wander or drift through the water
400
What is bathymetric
A map illustrating the bottom topography and depth of a lake or pond
400
What are macroinvertebrates
Small aquatic animals, and the aquatic larval stages of insects, including dragonfly and stonefly larvae, snails, worms, and beetles
400
What is depth
In graphing limnological data, the y-axis typically represents this variable
400
What is lake herring
Cisco and inland tullibee are all names for this cold water fish
500
What is oxygen
A waste product generated by primary producers during photosynthesis
500
What is eutrophic
A state in which a lake or pond is nutrient rich and sustains high levels of biological productivity
500
What is diel vertical migration
The cyclic, synchronized daily movement of zooplankton and fish up and down in the water column to feed and evade predators
500
What is the x-axis
In graphing limnological data, this axis is positioned at the top of the page
500
What is mysis
This macroinvertebrate is the primary food source for the majority of open-water Lake Superior fishes




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