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What Can We Discover?
What's for Dinner?
Is the Water Safe?
Micros and Macros
Vivacious Vocabulary
100
This tool is used to measure the depth of the photozone.
What is a Secchi disk?
100
These are animals that eat only plants.
What are herbivores?
100
Water with a pH of 3 is this.
What is acidic?
100
If macro-invertebrates classified as intolerant are present, we know this about the quality of water.
What is the water is not polluted?
100
These are animals that are hunted by other animals.
What are prey?
200
The presence of this may indicate that water is polluted.
What is blue green algae?
200
This type of organism is always at the first trophic level.
What is a producer?
200
This is a contaminant from a source that cannot be specifically identified.
What is a non-point source pollutant?
200
If you find macro-invertebrates classified as tolerant, you know this about the quality of water.
What is nothing?
200
These are factors in an ecosystem such as dirt, garbage, and temperature.
What is abiotic?
300
Scientists have found that these are the two main sources of water pollution in Pennsylvania.
What are agricultural runoff and abandoned mines?
300
These organisms break down dead plants and animals.
What are decomposers?
300
This water has the most dissolved oxygen. (cool or warm)
What is cool water?
300
This is the area of the river that most macro- and micro-invertebrates are found.
What is the photozone?
300
In photosynthesis, plants use energy from the sun along with water and carbon dioxide to form nutrients and this element.
What is oxygen?
400
If you find a caddisfly larva, you know this organism goes through this type of metamorphosis.
What is complete metamorphosis?
400
This type of organism eats both plants and animals.
What is an omnivore?
400
If the water's temperature is this, then bacteria and diseases grow.
What is too warm?
400
These are the stages of incomplete metamorphosis.
What are egg, nymph, and adult?
400
This is the land that water moves through to reach a body of water.
What is a watershed?
500
This tool is used to collect macro-invertebrates.
What is a petit ponar?
500
These are the two main food sources for zooplankton.
What are phytoplankton and other zooplankton?
500
This is the term for water clarity.
What is turbidity?
500
There are more of this type of organism in a river ecosystem than any other.
What is phytoplankton?
500
These are small animals without backbones that cannot be seen without a microscope.
What are micro-invertebrates?