Which Feature Is Not a Characteristic of the Animals

question 6

Multiple Choice

Which feature is not a characteristic of the animals?

• A)Multicellular heterotrophs
• B)Sexual reproduction
• C)Embryonic development
• D)Cell walls

---

Definitions:

Choroid Plexus

Specialized plexus located within the ventricles of the brain that secretes cerebrospinal fluid.

Arachnoid Granulation

Protrusions of the arachnoid meningeal layer into the dural venous sinuses, allowing cerebrospinal fluid to return to the bloodstream.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.

Roman Numeral

Symbols used in a system of numerical notation based on the ancient Roman system, typically utilizing letters such as I, V, X, L, C, D, and M.