2. The more diverse an ecosystem is –

more biologically diverse communities appear to be more productive

Explanation:

Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms

Hope this helps!

(btw i got this from google)

helicase, i think thats it