Which concept of species would be most useful to a field biologist identifying new plant species in a tropical forest? a. biological b. ecological c. morphological d. phylogenetic

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1. Understand the different species concepts: Biological species concept focuses on reproductive isolation, Ecological species concept emphasizes on the ecological niche, Morphological species concept relies on the structure and form, and Phylogenetic species concept considers the evolutionary history.
2. Consider the practicality of each concept in a field setting, especially in a diverse and complex ecosystem like a tropical forest.
3. Evaluate the accessibility of resources and tools available to a field biologist in such an environment, which might limit the use of certain species concepts.
4. Assess the importance of observable characteristics in identifying plant species in the field, as genetic or reproductive isolation information might not be readily available.
5. Choose the species concept that allows for practical and effective identification of plant species based on the conditions and limitations present in a tropical forest environment.