Answer:
Option D, Biome
Step-by-step explanation:
A biome is an area that consists of varied types of plants and animals. Several abiotic factors such as temperature, soil, light and water are responsible in defining the life form living in any biome.
An ecosystem is different from a biome in a way that it envolves interaction between living and non living thing. A group of species is known as communities and population is total number of species living in an area.
hence, option D is correct.