Hellpp I'm in pre ap science and I'm kinda confused for this question Name two positive effects caused by high biodiversity.

Increase ecosystem productivity; each species in an ecosystem has a specific niche—a role to play.
Support a larger number of plant species and, therefore, a greater variety of crops.
Protect freshwater resources.
Promote soils formation and protection.
Provide for nutrient storage and recycling.

Its b. no more than one second i took the test

Nechropagous insects, otherwise a.b means they eat both meat and plantc means they only eat meatd is that their native to that area(correct one) a is feeding off of remains.