I’m lighter than what I am made of, and more of me is hidden than is seen. What am I?

Without the first two letters, I’m an intelligent animal.Without the first three letters, I’m a subject in school.And, without the first four letters, I’m the letter “e.”What am I?

Which animal CANNOT stick its tongue out?

Where is the heart of the shrimp located?

The only English word that ends in the letters "mt".

How many muscles does a cat have in each ear?

An ostrich's eye is bigger than its brain.

The animal with the largest eyes in the world.

Before Mount Everest was discovered, what was the highest mountain on Earth?

The more there is, the less you see. What am I?

Break me, and I’ll cage you. Obey me, and I’ll save you. What am I?

What has teeth but cannot bite?

What runs around the whole yard without moving?

What loses its head in the morning and gets it back at night?

You bury me when I’m alive and dig me up when I’m dead. What am I?

How many letters are in the alphabet?