I believe it would be Bone Tissue and Connective Tissue
Answer:
The tiny muscles that make up the iris, known as the circular and radial muscles, relax and contract to maintain a fairly constant level of light entering the eye. In bright light, the circular muscles contract whilst the radial muscles relax. This causes the pupil to constrict and less light enters the eye.
Explanation:
 because the Big Bang theory has to do with space and earth
it is 3 THEY DO NOT CONTAIN CHROMOSOMES HOPE THIS HELPS
This answer is C. Disruptive selection
This is because the normal distribution curve is shifting in one direction or another
