If One Group of Animals Is Raised in a Stimulating

question 223

Multiple Choice

If one group of animals is raised in a stimulating environment and another group of animals is raised in a boring environment,what should be enhanced in the brains of animals raised in the stimulating environment

• A) specificity 
• B) dendritic branching 
• C) demylenization 
• D) distance between neurons

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Definitions:

Casparian Strip

A band of cell wall material found in the roots of plants, impregnated with suberin and lignin, that controls the flow of water and solutes into the xylem.

Vascular Cylinder

A central part of the root of plants where xylem and phloem tissues are located, responsible for the transport of water, nutrients, and other substances.

Companion Cells

Specialized cells in the phloem of plants that are closely associated with sieve tube elements and assist with the transport of photosynthetic products.

Pressure Flow Theory

A hypothesis explaining how sugars are moved from the leaves where they're produced to other parts of the plant through phloem.