Connective Tissue Sacs Lined with Synovial Membranes That Act as Cushions

question 16

Multiple Choice

Connective tissue sacs lined with synovial membranes that act as cushions in places where friction develops are called .

• A) menisci
• B) tendons
• C) ligaments
• D) bursae

---

Definitions:

Low Oxygen

Conditions where the level of oxygen in an environment is below the necessary threshold to support most life forms.

Plankton

Small and often microscopic organisms that drift or float in water, forming the base of aquatic food webs.

Primary Productivity

The rate at which plants and other photosynthetic organisms produce organic compounds (such as carbohydrates) from carbon dioxide and water in the presence of sunlight, which serves as the basis for most food chains.

Photic

Pertaining to the upper layer of a body of water that is illuminated by sunlight, allowing photosynthesis to occur and supporting the majority of aquatic life.