can produce fertile offspring. can communicate easily. will defend their territory. will move from place to place.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Species are classified based on their characteristics. Which characteristic identifies two organisms as members of one species? The organisms
Possibilities:
- can produce fertile offspring.
- can communicate easily.
- will defend their territory.
- will move from place to place.

can produce fertile offspring.