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PUZZLE FOR MARCH

Horizontales
Soft appendages near the mouth of a koi fish
On the pH scale a reading of 7 or less
A plant that spreads beyond its planting site
A plant that grows underwater and releases oxygen into the water as a byproduct
The process by which green plants produce sugars and oxygen using carbon dioxide
Plant that grows and thrives in shallow water or moist to wet soil at the ponds edge
A plant that lives for several or many years. Does not need planting each year
An animal that feeds on other animals, etc.
Mechanical filter to help keep the pond clear of floating debris
Verticales
A synthetic rubber material commonly used in pond construction
The reproductive activity and period in fish
Prevents pond water from soaking into the soil
A chemical added to water to kill harmful organisms and must be absent in pond water
A biological community of interacting plants and animals in the same environment
A type of water lily that prefers warm temperatures
A category of classification of organisms that are more similar to one another
To supply air to the water in a pond or pool and helps prevent oxygen depletion
A pH of 7.0