We have a responsibility to protect the biodiversity of the Earth.

It is important to understand the importance of health.

Taxonomy is an important tool for understanding the diversity of life.

It's difficult to understand his explanation.

We should respect diversity and consider it as our strength.

I am majoring in biology at university.

Health is very important.

His opinion is very important.

Watching the Tour every year is one of my summer pleasures.

This tool is very useful.