Definition: A type of specialized cell found in certain aquatic animals, particularly in jellyfish and corals, that can inject toxins to capture prey or defend against threats.

Example: The cnida of the jellyfish can deliver a painful sting to unsuspecting swimmers.

Definition: Relating to a group of aquatic animals that includes jellyfish, corals, and sea anemones, known for their stinging cells.

Example: The cnidarian species found in this reef are vital for the ecosystem.

Definition: A type of simple animal that has a body with a central cavity and is often found in water, including creatures like jellyfish and corals.

Example: The cnidarian is known for its unique stinging cells that help it capture prey.

Definition: A process where two or more species or organisms evolve together and adapt to each other's presence or changes in their environment.

Example: The coadaptation of the plants and their pollinators is essential for the survival of both species.

Definition: Describing genetic traits that have developed through beneficial interactions between different organisms or genes, often due to natural selection.

Example: The coadapted traits of the species allowed them to thrive in their shared environment.

Definition: A type of fish that is usually dark in color, including species like pollock and sablefish.

Example: The chef prepared a delicious dish using coalfish and fresh vegetables.

Definition: This word describes something that has the most characteristics of coal, such as being dark, sooty, or resembling coal in appearance or quality.

Example: The coaliest part of the mine was filled with thick black dust.

Definition: A deep hole in the ground where coal is extracted or mined.

Example: The workers descended into the coalpit to begin their shift.

Definition: Describing something that is covered with or contains coal, or has a similar appearance to coal.

Example: The coaly substance was found deep in the mine, indicating the presence of fossil fuels.

Definition: To move smoothly and effortlessly, often without using much energy or power, especially along a coast or down an incline.

Example: The children loved to coast down the hill on their sleds during winter.

Definition: The land that is next to the sea; the area where the land meets the ocean.

Example: We spent the day walking along the coast, enjoying the beautiful views of the ocean.

Definition: To sail or move along the edge of a land area, especially near the sea.

Example: The ship will coast along the shoreline during the journey.

Definition: Connected to or located near the area where land meets the sea.

Example: The coastal town is famous for its beautiful beaches.