What is the SINGULAR form of phenomena?
Phenomenon
What is the PLURAL form of analysis?
Analyses
What is the SINGULAR form of radii?
Radius
What is the PLURAL form of cactus?
Cacti/Cactuses
What is the PLURAL form of Criterion?
Criteria
What is the PLURAL form of Basis?
Bases
Many _________________ can be eaten, but others are very poisonous.
Fungi
When blue-ringed ______________ think they’re in danger, their rings flash bright blue.
Octopi/Octopuses
____________are one of Earth’s oldest life forms, having existed for at least 3.5 million _______________.
Bacteria + millennia
Scientists are working to prove the ________________ that ____________________ are related to whales.
hypothesis + hippopotamuses/hippopotami
What is the PLURAL form of Oasis?
Oases
What is the PLURAL form of crisis?
Crises
