Answer the question below. Please ignore the colored dot.
Do not answer if you have no idea. I am sick of that.

Large areas of the earth with similar climate and ecosystems are called biomes.

Explanation:

Biomes are defined as areas of the planet with common characteristics, such as animal and plant species, as well as climate, which is why it is called a bioclimatic landscape.

When a relationship is established between an ecosystem —with all its biotic and abiotic components— and the climate in a given area, reference is made to a biome. Consequently, a biome represents large areas of land with similar geographical, climatic and biological conditions.

The other options are not correct because:

digestion

it excretes wastes