During development, if a cell has committed to a particular fate, it is said to be

TLS Online TPP Program

#Question id: 8960

#Unit 9. Diversity of Life Forms

With the current molecular-based phylogeny in mind, rank the following from most inclusive to least inclusive.

1. ecdysozoan

2. protostome

3. eumetazoan

4. triploblastic

TLS Online TPP Program

#Question id: 8961

#Unit 9. Diversity of Life Forms

What does recent evidence from molecular systematics reveal about the relationship between grades and clades?

TLS Online TPP Program

#Question id: 8962

#Unit 9. Diversity of Life Forms

What is characteristic of all ecdysozoans?

TLS Online TPP Program

#Question id: 8963

#Unit 9. Diversity of Life Forms

What kind of data should probably have the greatest impact on animal taxonomy in the coming decades?

TLS Online TPP Program

#Question id: 8964

#Unit 9. Diversity of Life Forms

Phylogenetic trees are best described as

TLS Online TPP Program

#Question id: 19281

#Unit 9. Diversity of Life Forms

A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, the following characteristics are noted: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to