Prophase is the first step in mitosis and many changes occur. Chromatin fibers become coiled into chromosomes, with each chromosome having 2 chromatids joined at a centromere. The mitosis spindle, composed of microtubules and proteins, form in the cytoplasm.
The answer is D . Pressure causes water and dissolved substances to filter though capillary walls of the glomerulus .
The answer is A, Thalamus.
Answer:
B. The mutations were beneficial for each new environment.
Explanation:
