Problem: Write a question you would see in a school textbook.

Answer: A condition in bees called "colony collapse disorder" occurs when worker bees leave the hive to collect nectar and never return. How would a decline in the bee population most likely affect a farm ecosystem?

Problem: Write a question you would see in a school textbook.

Answer: An ocean, a forest, and a grassy meadow are each examples of a complete ecosystem. Complete ecosystems contain only

Problem: Write a question you would see in a school textbook.

Answer:
All stars start forming in the same manner. Some follow the life cycle of the Sun, while others turn into neutron stars or black holes. Which property determines the fate of a star as it develops?