In this task, you need to write a topic word from the given fact. The topic word must have at least one word overlap with the given fact. The topic word often involves adding a new word from a related concept. In your topic word, use at least one word from the given fact. Topic words with two or more words work best.
--------
Question: Fact: Pedigrees are useful tools for studying inheritance patterns.

Answer: inheritance animals.


Question: Fact: Organisms cluster around hydrothermal vents in the ocean floor.

Answer: bacteria vents.


Question: Fact: Competition may lead to aggressive behaviors or displays of aggression.

Answer:
aggression is caused by adrenaline.