This is the organ in fish that filters waste and salt from the blood and excretes the waste through urine:
O A. Lateral line
O B. Kidney
C. Gills
O D. Heart

URGENTT PLEASE *WILL MARK YOU BRAINLIEST*

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

Across of blue x blue (both heterozygous) would result in

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.