This document contains environment-dependent characters.

The United Nations Environment Programme is providing solutions to global environmental problems.

I use a pedometer every day to record the distance I walk.

I check my step count every day with a pedometer.

Cnidarians are a type of marine life, including jellyfish and corals.

We went to the petting zoo on the weekend.

The ecosystem of zoobenthos is an important field of study in marine biology.

Echinoderms are a type of marine life, many of which have star-shaped bodies.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.

Invertebrates are a type of creature without a skeleton.