What are the strengths and weaknesses of this model as a model for demonstrating seafloor spreading? PLEASE HELP ME

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

We all have different forms of genes from our parent(s).what are these different forms called? a. alleles b. characters c. dna d. resources