Higher Needs Are

question 58

Multiple Choice

Higher needs are

• A) weaker than lower needs.
• B) active later in life than lower needs.
• C) less necessary than lower needs for survival.
• D) all of the answers.

---

Definitions:

Cortex

The outer layer of various organs or structures, such as the brain's cerebral cortex, involved in high-level functions including consciousness, memory, and thought, or the kidney's cortex, involved in filtration and blood processing.

Tracheids

Water-conducting cells in the xylem of vascular plants that are elongated, with thickened cell walls and tapered ends, contributing to the support and transportation of water and minerals.

Vessel Elements

Shorter, wider plant cells than tracheids, found in the xylem, which efficiently transport water and nutrients vertically through the plant.

Perforation Plates

Structures found in the vessel elements of some plants, allowing for the flow of water and nutrients between cells.