The circulatory system is directly responsible for which of the following

a) breaking down food
b) transmitting nerve impulses
c) transporting nutrients to cells
d) controlling movement of muscles

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]