Here's a problem to solve: A student is investigating different types of trees. Two trees are found to have similar growth rates, temperature ranges, and sizes, but different leaves and flowers. The trees are most likely in

Among the 4 following options, which is the correct answer?

- A: the same species.
 
- B: the same genus.
 
- C: a different kingdom.
 
- D: a different phylum.
 