If you dont know. dont answer! 1. what change do you see over the 100-year period? 2. suggest one reason why this change might have occurred. 3. if this population continued for the next 100 years with no changes in arm length, what could you say about these sea stars? do not make a big paragraph. make it simple and short and easy to understand as you can plz, and if correct and easy for me to understand then i will give out brainliest.