B   bacteria- tiny living cells; some cause disease bastions- strongholds or fortified areas beneficiaries- people who receive something Beringia- a 1,000 mile wide subcontinent in the Bering Straits between Asia and Alaska that was a land bridge to the Americas for the Paleo Indians beveled- cut or shaped at an angle bio-engineering- the science of changing plant and animal life to produce more or better products for human use biologically- having to do with needs and processes of living organisms such as animals, plants botanical- related to plant life