This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 3 to 8 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A juvenile salmon that now has to search for its own food and has vertical parr marks (stripes).
A large, furry predator that feeds on salmon as they travel up the river.
A threat to salmon that can change the sediment size in the river where they spawn
Salmon are a ----- species meaning they are essential for keeping the ecosystem in balance
Salmon must travel up this water way to spawn
A newly hatched salmon that looks like a baby fish, but has a yolk sac for nutrients.
The stage in the salmon lifecycle where the salmon has lost its parr marks and is changing to prepare for life in the ocean.
The stage in the salmon lifecycle where the salmon returns to the stream it was hatched in
The place where adult salmon spend the majority of their time
The first stage of the salmon lifecycle
A main predator of salmon in the ocean
An ocean predator that primarily feeds on chinook salmon