Taxonomy and Evolutionary Relationships

What is the scientific field dedicated to naming, describing, and classifying organisms?

• Ecology

• Zoology

• Taxonomy

• Biology

Which system gives each animal a unique two-part Latin name?

• Common naming

• Binomial nomenclature

• Descriptive classification

• Hierarchical grouping

In the taxonomic hierarchy, which level is the most specific?

• Family

• Order

• Species

• Genus

When similar traits in different animals develop independently, what are they called?

• Homologous traits

• Analogous traits

• Genetic traits

• Evolutionary traits

Which of the following is NOT a key trait that generally defines animals?

• Eaters

• Movers

• Sexual reproducers

• Unicellular

What does a living thing's evolutionary history describe?

• Only its current physical appearance.

• Its genetic record, relationships with relatives and ancestors, and how it evolved over time.

• How it will evolve in the future.

• Only its diet and habitat.

What is the main purpose of a phylogeny?

• To rank species by their intelligence.

• To illustrate the evolutionary relationships and common ancestry among different species.

• To predict the exact lifespan of an organism.

• To categorize organisms based on their color and size.

Why are choanoflagellates not classified as animals?

• They do not move.

• They are unicellular organisms.

• They do not reproduce sexually.

• They are carnivorous plants.