He is working hard to make his abilities known to the world.

It's better for him not to know the truth. After all, ignorance is bliss.

We camped in a densely wooded area.

I avoid eating animal products.

Protozoans are single-celled organisms.

As the name suggests, chordates are a group of animals that have a notochord.

He is deeply involved in the animal liberation movement.

We went to the zoo with our family on the weekend.

Ruminants have the characteristic of re-chewing food after swallowing it once.

His tribe has been practicing zoolatry since ancient times.