Which structure in some animals functions at the same level of organization as the kidney and heart?

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

b. heterotroph

explanation:

true                                                                                                       true true true true true true