In What Way Are Flatworms and Annelids Not Similar

question 213

Multiple Choice

In what way are flatworms and annelids not similar?

• A) Ammonia diffuses directly from tissues into the coelom.
• B) Excretory products leave through a pore.
• C) Tubule cells modify composition of fluid.
• D) Filtration occurs due to pressure differences.
• E) Cilia help sweep fluid into the excretory system.

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Definitions:

Communication Mechanism

The means or process through which information is transmitted and received among entities or individuals.

Genetic Imprinting

An occurrence in genetics where the expression of certain genes depends on whether they come from the mother or the father.

Dominance Hierarchy

A linear “pecking order” into which animals in a population may organize according to status; regulates aggressive behavior within the population.

Sexual Selection

A mode of natural selection where members of one biological sex choose mates of the other sex to mate with, and compete with members of the same sex for access to members of the opposite sex.