Interactive Vocabulary Learning

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Vocabulary Word List

Review the words, meanings, and examples below before starting the activities. Click the speaker icon to hear the pronunciation. Click any example sentence to hear it read aloud.

Critically

Adverb

In a way that is very bad or serious.

  • The tiger was critically injured after the accident.
  • Some habitats are critically important for rare birds.
  • The report said the forest was critically damaged by fire.

Real World Use Case: πŸ”— Critically on Youglish

Extinct

Adjective

At risk of no longer existing.

  • Scientists study fossils of extinct mammals.
  • If we do not act, more species may become extinct.
  • The island once had an extinct type of flightless bird.

Real World Use Case: πŸ”— Extinct on Youglish

Depend on

Phrasal verb

To need.

  • Many animals depend on clean rivers for water.
  • Young cubs depend on their mother for food.
  • Pollinators depend on flowers for nectar.

Real World Use Case: πŸ”— Depend on on Youglish

Habitat

Noun

A building where animals live in a zoo.

  • The new habitat for the lions has more space and shade.
  • Visitors watched the penguins in their cold habitat.
  • Zoo staff clean each habitat every morning.

Real World Use Case: πŸ”— Habitat on Youglish

Species

Noun

A group of plants or animals which share similar features.

  • This park protects over twenty species of butterfly.
  • The two species look alike but do not interbreed.
  • Invasive species can harm local wildlife.

Real World Use Case: πŸ”— Species on Youglish

Endangered

Adjective

Dangerous to humans.

  • Guides warned that the snake is endangered if cornered.
  • Some large predators are endangered when they feel threatened.
  • The sign said the animal could be endangered near people.

Real World Use Case: πŸ”— Endangered on Youglish

Poachers

Noun

Somebody who catches and kills animals even when it is against the law.

  • Rangers arrested poachers near the reserve.
  • Poachers still hunt elephants for ivory in some regions.
  • Cameras help catch poachers at night.

Real World Use Case: πŸ”— Poachers on Youglish

Threat

Noun

The possibility of trouble, danger or disaster.

  • Climate change is a serious threat to coral reefs.
  • The main threat to turtles is plastic in the ocean.
  • Disease can be a hidden threat to farm animals.

Real World Use Case: πŸ”— Threat on Youglish

Illegal

Adjective

Only possible if you have a licence.

  • Selling rare reptiles is illegal without a licence.
  • The trade became illegal unless you had official papers.
  • Keeping certain birds is illegal without permission.

Real World Use Case: πŸ”— Illegal on Youglish