The destruction of oyster larvae in Oregon aquaculture tanks was caused by
A) pathogenic bacteria.
B) minute predators accidentally imported in sea water.
C) temperatures too warm for larval survival.
D) increase in the acidity of sea water in which the larvae were incubated.
D
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A) The engulfing of inner planets B) The expansion of atmosphere C) Becoming a supernova D) Materials sent into space from shattering
Barrier islands migrate landward
Indicate whether the statement is true or false
Give an example of how an invasive species can cause ecological or economic harm
What will be an ideal response?
In an aquatic ecosystem experiencing eutrophication, levels of dissolved macronutrients ________ and dissolved oxygen levels ________
A) remain stable; increase B) increase; increase C) decrease; increase D) decrease; decrease E) increase; decease