Excretion is one of the basic physiological phenomena of living organisms.

All staff members will participate in the meeting.

It has become a habit to clean my room every day.

It is important to clean your room every day.

A tardigrade can survive in extreme environments.

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

He is an expert in ethology, and his research is highly regarded worldwide.

He is studying about ancient animal worship.

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

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