These found their ways into many biology textbooks, and into popular knowledge, even though they were wrong.

That night I lay on my bed, my biology textbook in front of me.

It is not a biology textbook or a dietary guide.

We saw her open her biology textbook and look up the answer to the first question.

He later taught science, and his first book was a biology textbook.

A young woman sat behind the counter drinking coffee and reading a biology textbook.

There was a biology textbook that discussed evolution, other sinful things, too.

A biology textbook just wasn't my idea of an Arab best-seller, that's all.

After class, I ran home and threw myself onto my bed with my biology textbook.

He said: "Is this going to be a textbook reference, as in all future general biology textbooks?