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180. Pond Succession
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) Per the video,as water runs downhill through the watershed, it picks up small amounts of ____________and anything else that will move.
A
rocks
B
plants
C
soil
D
animals
2) The process of moving soil from one place to another is called ____________.
A
dirt moving
B
erosion
C
pond filling
D
sediments
3) The process of filling the pond over many years creates _____________in the pond.
A
draining
B
sediments
C
filling
D
overgrowth
4) Over time the pond will become deeper or more shallow.
A
more shallow.
B
deeper
5) Decaying plant and animal matter accumulating on the bottom of the pond adds more ______________to the soil.
A
nutrients
B
grassy overgrowth
C
pollutants
D
matter
6) As plants thrive, in the enriched soil they take up more room and the size of the pond diminishes. Thus, turning the pond into a ________________.
A
mud hole
B
swamp
C
river
D
wetland
7) The surface area around the pond, if contaminated or over fertilized can cause ____________to the pond.
A
discolorization
B
pollution
C
algae growth
D
fish to grow too large
8) Fertilizer and Pesticides can upset the pH_____________ of the water in the pond.
A
balance
B
acidity
C
neutral
D
Number
9) One result of too much fertilizer or pesticides in the water is the overgrowth or undergrowth of algae.
A
undergrowth
B
overgrowth
10) The process where too much fertilizer and pesticides leads to overgrowth of algae is called_______________.
A
pH balanced
B
eutrophication
C
pollution
D
thriving ecosystem
11) When eutrophication happens the ______________levels in the pond are disrupted and can kill many fish and animals.
A
pH
B
pollution
C
carbon dioxide
D
oxygen
*select an answer for all questions
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