Biodiversity increases the productivity and stability of ecosystems.
Biodiversity is an incredibly powerful force that keeps species evolving.
A force that keeps species evolving increases the productivity and stability of ecosystems.
A force that keeps species what increases the productivity and stability of ecosystems?
Options:
a) evolving
b) protect them
c) recycling
d) ligt
e) animals
f) ferns
g) trees
h) heat