The area in a growing plant root or stem where cells begin to specialize into their final forms and functions.

The region in a plant root where cells increase in length, pushing the root deeper into the soil.

The area in a plant root where cells complete their differentiation and become fully functional.

A ring of connective tissue fibers that hold the lens of the eye in place and assist in focusing.

Inflammation of the zonules of the eye, which can lead to vision problems or changes in eye pressure.

A structure or agent involved in the dispersal of seeds or pollen by animals.

Referring to a type of seed dispersal in which animals play a role in transporting seeds.

Seed dispersal through animals, also referred to as zoochory.

The study of the geographic distribution of animal species and their evolutionary history.

An individual member of a colonial organism, often with specific functions like reproduction or feeding.