All Chordates Possess at Some Point in Their Life Cycle

question 19

Multiple Choice

All chordates possess at some point in their life cycle:

• A)radial symmetry
• B)gill slits
• C)a diaphragm
• D)all of the above

---

Definitions:

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with an unconditioned stimulus.

Salivation

Salivation is the secretion and discharge of saliva from the salivary glands in the mouth, often in response to the sight, smell, or taste of food.

Unconditioned Response

An automatic, natural reaction to a stimulus that occurs without the need for learning or conditioning.

Meat Powder

A nutrient-rich powder derived from dehydrated and pulverized meat, used in various food applications and dietary supplements.