Question

All the different species living in the world make up __________.

biodiversity
ecosystem diversity
genetic diversity
species diversity

Answer 1

Biological diversity or biodiversity refers to the sum up of all the variety of life living on the planet earth. It measures variation at three levels; ecosystem, species, and genetic levels.

Answer 2

Biodiversity!

Step-by-step explanation:

I found this answer because:

Biodiversity is a term used to describe the enormous variety of life on Earth. It can be used more specifically to refer to all of the species in one region or ecosystem. Biodiversity refers to every living thing, including plants, bacteria, animals, and humans. Scientists have estimated that there are around 8.7 million species of plants and animals in existence.