G04 - Vocabulary - U2A - Introduction

A change that a species develops to live in an environment Camels have a special ...... that lets them live in hot deserts. Birds' wings are an ....... that helps them fly and escape danger. Polar bears have a thick fur ........ to stay warm in icy places. This word came from Latin through French about 600 years ago. It meant "to fit" or "to adjust".

• adaptation
• noun
• stagnation
• interjection

To protect yourself from danger A goalie must ...... the net from the other team's shots. Animals like porcupines use their sharp quills to ....... themselves. Lawyers go to court to ........ people who are in trouble. This word came from Latin through French about 700 years ago. It meant "protect" or "guard".

• defend
• verb
• abandon
• noun

An animal that eats other animals Lions are a fierce ...... that hunt other animals for food. The owl is a silent ....... that catches mice at night. Sharks are a well-known ocean ........ with sharp teeth. This word came directly from Latin about 500 years ago. It meant "plunderer" or "destroyer".

• predator
• noun
• prey
• adverb

An animal that is hunted for food Rabbits are ...... animals that must watch out for foxes and hawks. The small fish became ....... for the larger fish in the pond. Mice and other small animals are often ........ for house cats. This word came from Latin through Old French about 800 years ago. It meant "animal hunted for food".

• prey
• noun
• predator
• conjunction

A characteristic that distinguishes one thing from something else Being tall is a ...... that runs in my family. A good memory is a helpful ....... for doing well in school. Kindness is an important ........ that makes someone a good friend. This word came from Latin through French about 600 years ago. It meant "line" or "stroke".

• trait
• noun
• commonality
• preposition

How a living thing acts Raising your hand before speaking is good classroom ...... Ants show interesting ....... when they work together to build their home. A dog's wagging tail is a ........ that often means it's happy. This word came from English about 500 years ago. It meant "way of conducting oneself".

• behavior
• noun
• inaction
• adjective

A feature of something that makes it different A giraffe's long neck is a ...... that helps it eat leaves high up. Being brave is a ....... of many story heroes. The spicy taste is a ........ of many Mexican foods. This word came from Greek about 400 years ago. It meant "distinctive mark" or "feature".

• characteristic
• noun
• sameness
• conjunction

An answer Laughing is a common ...... to hearing a funny joke. The fire department's quick ....... saved the building. When someone says "thank you," a polite ........ is "you're welcome." This word came from Latin about 600 years ago. It meant "answer" or "reply".

• response
• noun
• silence
• verb

A careful plan The coach taught the team a new ...... to score more points. Using a shopping list is a good ....... to save money at the store. Reading the questions first is a helpful ........ for taking tests. This word came from Greek about 200 years ago. It meant "office of a general" or "command".

• strategy
• noun
• chaos
• adverb

The act of continuing to live Finding water is key to ...... in the desert. Animals have different tricks for ....... in the cold winter. Knowing how to swim is an important ........ skill near water. This word came from Latin about 400 years ago. It meant "to live beyond" or "to outlive".

• survival
• noun
• extinction
• conjunction