Assume That Some Members of an Aquatic Species of Motile

question 15

Multiple Choice

Assume that some members of an aquatic species of motile, photosynthetic protists evolve to become parasitic to fish. They gain the ability to live in the fish gut, absorbing nutrients as the fish digests food. Over time, which of the following phenotypic changes would you expect to observe in this population of protists?

• A) loss of motility
• B) loss of chloroplasts
• C) gain of a rigid cell wall
• D) gain of meiosis
• E) No changes would be expected.

---

Definitions:

Ethical Dilemmas

Situations in which a difficult choice has to be made between two or more options, often involving a moral conflict.

Legal Responsibilities

Obligations that are enforced by law, including those pertaining to conduct, actions, and standards within a society or profession.

Norm Group

refers to a reference group used in psychological testing or research to establish norms or standards for comparing individual test scores.

Invalid Test Results

Results from a test that are considered not accurate or reliable due to various factors such as administration errors, cheating, or technical issues.