Exotic species are
A. from the tropics.
B. species moved by humans from a native location to another location.
C. species moved by natural forces from a native location to a new location.
D. from the tropics and species moved by humans from a native location to another location.
E. from the tropics, species moved by humans from a native location to another location, and species moved by natural forces from a native location to a new location.
B. species moved by humans from a native location to another location.
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A small area more or less landlocked is called:
a. the seven seas. b. a world ocean. c. an ocean. d. a sea. e. a marine province.
The insulation that keeps the signal within the axon is called what?
a. myelin sheath b. glial bodies c. Nodes of Ranvier d. axon terminals
The concentration of nutrients in estuaries causes____ productivity
a. extremely low b. low c. average d. medium e. high
Even though the U.S. tuna fishing industry is actively trying to avoid catching dolphins, there is still a big dolphin catch by foreign tuna fishers
Indicate whether the statement is true or false