Examlex
A synapomorphy for the _______ includes having pollen with three grooves.
Homeostasis
The ability of a living organism to maintain stable internal conditions despite changes in the external environment.
Circulatory System
The body's system responsible for the transport of blood, nutrients, gases, and wastes throughout the body, involving the heart and blood vessels.
Surface-Area-To-Volume Ratio
Ratio of a cell’s outside area to its internal volume; the relationship limits the maximum size of a cell.
Keratin
A type of protein found in the skin, hair, and nails, responsible for their strength, protection, and waterproofing properties.
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