A parasite is an organism that A
Neither helps or harms another organism
B
Both helps and harms another organism
С
Only harms another organism
D
Only helps another organism

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

They live on every continent except antarctica