all the organisms in an ecosystem all the species that share similar anatomical features all the animals that acquire resources through similar methods all the interbreeding members of a certain species in an ecosystem
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: What do scientists mean when they refer to a population?
Possibilities:
- all the organisms in an ecosystem
- all the species that share similar anatomical features
- all the animals that acquire resources through similar methods
- all the interbreeding members of a certain species in an ecosystem

all the interbreeding members of a certain species in an ecosystem