Sponges and Ctenophores Have Both Been Proposed as Basal Metazoans

question 11

Multiple Choice

Sponges and ctenophores have both been proposed as basal metazoans. Which of the following types of data support the idea that sponges are the basal group?

• A) sequences of cadherin genes, cleavage type, structure of collar cells, and bilateral symmetry of adults
• B) sequences of collagen genes, bilateral symmetry of adults, cleavage type, and fossil steroids
• C) fossil steroids, molecular clock, lack of tissues in sponges, and structure of collar cells
• D) structure of collar cells, bilateral symmetry of larvae, sequences of cadherin genes, and molecular clock

Identify different types of torture and their psychological impacts.

Understand the importance and methods of immediate and long-term support and therapy for trauma survivors.

Appreciate the complexity of stress disorders' etiology, including environmental, genetic, and psychological factors.

Grasp the significance of early intervention and the effectiveness of various therapeutic approaches for stress disorders.

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Definitions:

Inert Gases

A group of gases which are non-reactive under a set of given conditions, including helium, neon, argon, krypton, xenon, and radon.

Atomic Symbols

Symbols assigned to elements based on their names, usually consisting of one or two letters, where the first letter is always capitalized.

Gallium

A soft, silvery metal used in electronics and low melting point alloys.

Germanium

A chemical element with the symbol Ge and atomic number 32, used as a semiconductor in electronics and as an alloying agent.