Exam: TOEFL

Definition: Relating to the diaphragm, which is a muscle that helps with breathing, or sometimes referring to the mind.

Example: The phrenic nerve plays a crucial role in controlling the diaphragm during breathing.

Definition: A type of chemical compound that is derived from phthalic acid, often used to make plastics more flexible and durable.

Example: Phthalates are commonly found in many household products, including toys and food packaging.

Definition: A type of blue pigment found in certain bacteria, especially cyanobacteria, that helps in photosynthesis.

Example: Phycocyanin is responsible for the blue color in many species of cyanobacteria.

Definition: A type of red pigment found in certain algae, particularly red algae, that helps in photosynthesis.

Example: Phycoerythrin is responsible for the red color of many species of red algae.

Definition: Relating to the scientific study of algae.

Example: The phycological research revealed new species of algae in the ocean.

Definition: A person who studies algae, which are simple plants that grow in water.

Example: The phycologist conducted research on the effects of pollution on local algae species.

Definition: The area of science that focuses on the study of algae, which are simple, plant-like organisms found in water.

Example: She is studying phycology to learn more about the different types of algae in the ocean.

Definition: A method or practice that provides protection against infectious diseases.

Example: Vaccination is a common form of phylaxis to prevent illness.

Definition: In a way that relates to the evolutionary development and diversification of a species or group of organisms.

Example: The species evolved phyletically, showing clear changes over generations.

Definition: This word describes something that is connected to the evolutionary history or development of a group of organisms.

Example: Scientists use phylogenetic trees to show the evolutionary relationships between different species.