Question 1

Which of the following is the correct way to write the scientific name for humans according to Linnaeus's binomial nomenclature?

Accepted Answer

Homo sapiens

Question 2

A researcher discovers a new organism that is multicellular, has a cell wall, and produces its own food through photosynthesis. According to Whittaker's five-kingdom system, to which kingdom does this organism belong?

Accepted Answer

Plantae

Question 3

Which of the following taxonomic levels is more inclusive than Family but less inclusive than Class?

Accepted Answer

Order

Question 4

Which of the following statements best explains why Archaea and Bacteria are both considered prokaryotes, but Archaea are more closely related to Eukarya?

Accepted Answer

Archaea and Bacteria both lack a nucleus, but Archaea share a more recent common ancestor with Eukarya.

Question 5

A group of organisms includes an ancestral species and only some of its descendants. What is this group called?

Accepted Answer

Paraphyletic

Question 6

Which of the following is a synapomorphy that defines the monophyletic group of mammals?

Accepted Answer

Production of milk (mammary glands)

Question 7

A botanist is studying a plant that has vascular tissue, seeds, flowers, and fruits. To which group does this plant belong?

Accepted Answer

Angiosperms

Question 8

Which of the following evolutionary innovations allowed plants to grow tall and transport water efficiently against gravity?

Accepted Answer

Vascular tissue (xylem)

Question 9

A group of animals is characterized by radial symmetry, true tissues, and stinging cells. Which phylum do they belong to?

Accepted Answer

Cnidaria

Question 10

Which of the following best describes the principle of parsimony in constructing phylogenetic trees?

Accepted Answer

The tree that requires the fewest evolutionary changes is preferred.

Question 11

Which of the following is NOT found in gymnosperms?

Accepted Answer

Fruit

Question 12

A scientist is comparing the limbs of dolphins and humans, which are inherited from a common ancestor. What is this similarity called?

Accepted Answer

Homology

Question 13

Which of the following is the correct order from most inclusive to most exclusive for the following groups: Eukarya, Chordata, Vertebrata, Gnathostoma, Deuterostoma, Eumetazoa?

Accepted Answer

Eukarya, Eumetazoa, Deuterostoma, Chordata, Vertebrata, Gnathostoma

Question 14

Which of the following is a key innovation that allowed animals to move actively and hunt for food?

Accepted Answer

Development of muscles and nerves

Question 15

A group of species shares a trait that is not found in their most recent common ancestor. What is this trait called, and what kind of group does it produce?

Accepted Answer

Homoplasy; polyphyletic group

Question 16

Which of the following is a defining feature of chordates?

Accepted Answer

Presence of a notochord

Question 17

Which of the following best explains why protists are no longer considered a valid kingdom in modern classification?

Accepted Answer

They are not monophyletic; some are more closely related to plants, fungi, or animals than to other protists.

Question 18

Which of the following is the correct sequence of evolutionary innovations in vertebrates?

Accepted Answer

Notochord, cranium, vertebral column, jaws, four limbs, amniotic egg, milk production/feathers

Question 19

A biologist is constructing a phylogenetic tree using shared, derived traits. What is this method called?

Accepted Answer

Cladistics

Question 20

Which of the following best describes the function of the cuticle in land plants?

Accepted Answer

Prevents water loss (desiccation)

Diversity of Life, Taxonomy, and Evolutionary Innovations: Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard