From 1930 to 1939 fire ants spread inland about 60 miles from their point of introduction in mobile, alabama. what was the cause of their spread over this distance?
a. a natural spread
b. airplanesbeing transported along with soilbeing
c. transported along with plantsdispersion
d. via ship ballast

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.

The open ocean begins at the low-tide mark and extends to the end of the continental shelf

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

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