Which factor currently tends to regulate abundance of commercially valuable estuary species such as oysters and crabs?
A) Competition
B) Predation
C) Human activities
D) Normal seasonal die off
E) Disease
Correct Answer:
Verified
Q3: In a well-mixed estuary, river flow is
Q4: Estuaries in which river flow is strong
Q5: Where rivers slow and drop their sediment
Q6: San Francisco Bay was created by:
A) rising
Q7: The concentration of nutrients in estuaries causes_
Q9: Estuaries tend to be well supplied in
Q10: In a partially mixed estuary the salinity
A)
Q11: Pseudofeces are:
A) semisolid deposits containing un-digested material.
B)
Q12: When dense seawater sinks below lighter fresh
Q13: An example of a negative estuary is:
A)
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