Exam: IELTS

Definition: Relating to a type of skeleton that is located inside the body, typically made of bone.

Example: Humans and many other animals have an endoskeletal structure that supports their bodies.

Definition: A type of skeleton that is located inside the body, providing support and structure to animals, especially vertebrates.

Example: The endoskeleton of a human allows for movement and protects vital organs.

Definition: A small structure within a cell that helps transport molecules that have been taken in by the cell through a process called endocytosis.

Example: The endosome carries nutrients to the lysosome for processing.

Definition: A type of tissue found in seeds of flowering plants that provides nourishment to the developing embryo.

Example: The endosperm is crucial for the growth of the seedling after germination.

Definition: A tiny spore produced by certain bacteria that can survive in harsh conditions and can develop into a new bacterium.

Example: The bacteria formed an endospore to protect itself from extreme heat and dryness.

Definition: Relating to the inner surface of bones, specifically the layer of tissue that lines the medullary cavity.

Example: The endosteal layer plays a crucial role in bone growth and repair.

Definition: A thin layer of cells that lines the inner surface of bones, specifically the medullary cavity.

Example: The endosteum plays a crucial role in bone growth and repair.

Definition: A living thing that exists inside the body or cells of another living thing.

Example: The endosymbiont provides nutrients to its host in exchange for protection.

Definition: A situation where one organism lives inside the body or cells of another organism, forming a close relationship that benefits both.

Example: The theory of endosymbiosis explains how certain organelles in cells, like mitochondria, originated from free-living bacteria.

Definition: Relating to a type of symbiosis where one organism lives inside the cells or body of another organism.

Example: The endosymbiotic theory explains how certain organelles in eukaryotic cells originated from free-living bacteria.