Continuous Variation Occurs When

question 24

Multiple Choice

Continuous variation occurs when

• A) no real variation is apparent between forms.
• B) variants come in distinct forms.
• C) variants come in a smooth distribution from one extreme to another.
• D) only one extreme variant exists.

---

Definitions:

Immunological Memory

Immunological memory is the ability of the immune system to quickly and specifically recognize an antigen that the body has previously encountered, leading to an enhanced response upon subsequent exposures.

Cytokine

Small proteins released by cells that affect the behavior of other cells, significant in immune responses.

Tumor Necrosis Factor

A cell signaling protein (cytokine) involved in systemic inflammation, playing a role in the regulation of immune cells.

Defense Responses

Biological processes activated in response to threats like pathogens or physical injury to protect an organism.