Problem: 
Q: Q: What process provides over 99% of the energy supply for life on earth?   A:
Answer: photosynthesis
Problem: 
Q: Q: How are aquatic biomes often classified?   A:
Answer: amount of salt
Problem: 
Q: Q: A cartilaginous joint where the bones are joined by fibrocartilage is called a what?   A:
Answer:
symphysis