Earth's seasons are caused by A. Earth's orbit around the Sun
B. Earth's rotation around its axis
C. Earth's tilt
D. All of the above

Choose the correct answer.''

B. Earth's rotation around its axis

Explanation:

there really is life in the deepest part

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.