Exam: IELTS

Definition: A term used to refer to the countries that use the euro as their currency.

Example: Many businesses in Euroland benefit from the single currency system.

Definition: A soft, silvery-white element that is part of the rare-earth metals, used in various applications like lasers and neutron absorption.

Example: Europium is often used in the production of red phosphors for television screens.

Definition: A group of European Union countries that have adopted the euro as their common currency.

Example: The eurozone has faced economic challenges in recent years.

Definition: Able to survive in water with different levels of saltiness.

Example: Some fish are euryhaline, meaning they can live in both fresh and saltwater.

Definition: Able to live or function in a variety of temperatures, often referring to organisms that can thrive in both hot and cold environments.

Example: Some fish are eurythermal, meaning they can survive in both warm and cold waters.

Definition: Able to live or grow in a variety of different environments or conditions.

Example: The eurytopic species can thrive in both freshwater and saltwater habitats.

Definition: Describing a social structure where individuals live together in a cooperative group, often with one female and multiple males reproducing, while others care for the young or support the group.

Example: Ants and bees are examples of eusocial animals that work together to raise their young and maintain their colonies.

Definition: A social structure in which certain individuals in a species, often insects like ants and bees, live in large groups and cooperate in caring for the young, with some individuals specializing in reproduction while others do not reproduce.

Example: Ants are a prime example of eusociality, where the colony works together to raise the young and protect the queen.

Definition: A global change in the level of the sea that affects all oceans uniformly.

Example: Eustasy can lead to significant changes in coastal geography over time.

Definition: Relating to changes in sea level that affect the entire world.

Example: The eustatic changes in sea level can impact coastal ecosystems significantly.