I believe the answer is B. They were no longer able to acquire the necessary characteristics for survival in a changing environment. I think it is B. because trilobites mostly went extinct because of the event that wiped out 95% of Earth's species. So they didn't have the characteristics to survive. Hope I helped!
1= Cerebrum.
2=Ventricles (fluid-filled spaces)
3.Cerebellum.
4.Brain stem (Pons and Medulla)
5.Spinal cord.
Hope this helps! :D
Answer:
a. it produces ATP
Explanation:
ATP are produced in the light reaction of photosynthesis which are used as energy in the light independent cycle for the production of glucose.
