Which Statement Most Closely Represents the Diversity of Animal Patterns

question 3

Multiple Choice

Which statement most closely represents the diversity of animal patterns resulting from the Cambrian time period?

• A) The Cambrian saw the first animal ancestor; all animal architecture dates back to these fossils.
• B) About 34 phyla evolved by the end of the Cambrian and there are now perhaps 100 phyla that have radiated from them.
• C) About 100 phyla evolved by the end of the Cambrian and there are now about 34 surviving animal phyla.
• D) Through the Cambrian, only non-animal ancestors existed, but after that time nearly 100 phyla evolved.

---

Definitions:

World Health Organization

A specialized agency of the United Nations aimed at promoting global public health, providing leadership on global health matters, and shaping the health research agenda.

Disability Advocacy

Efforts to promote the rights and well-being of individuals with disabilities, seeking to ensure they have equal opportunities and are free from discrimination.

Post-structuralist Theory

A critical theory framework that suggests structures and social categories are fluid rather than fixed, challenging established identities, histories, and cultural norms.

Post-structuralism Approaches

Intellectual movements and critical perspectives that focus on deconstructing the structures and assumptions underlying traditional practices, texts, and social norms.