We harvested the fruits today.

He is participating in the antinuclear movement.

Insects have an exoskeleton, which protects their body.

The human endoskeleton is made up of 206 bones.

He passed the book to me.

The problem of overfishing is having a serious impact on marine ecosystems.

Due to overfishing, there is a possibility that the marine ecosystem could be destroyed.

We need a change in the education system.

He is evaluated as a competent politician.

Paying the urban planning tax is a citizen's duty.