Question 1

Which of the following is NOT one of the five major themes of biology as described in Campbell's textbook?

Accepted Answer

Gravity

Question 2

Binomial nomenclature is used to classify organisms. Which of the following correctly represents the format for a scientific name?

Accepted Answer

Genus species

Question 3

Which characteristic is shared by both cnidarians and flatworms?

Accepted Answer

A gut with a single opening

Question 4

Which of the following invertebrate groups is NOT among the top three most diverse?

Accepted Answer

Porifera

Question 5

A scientist discovers a new animal species that is soft-bodied, has bilateral symmetry, and a shell. Which phylum does this animal most likely belong to?

Accepted Answer

Mollusca

Question 6

Which specialized cell type is unique to sponges and is responsible for creating water currents for filter feeding?

Accepted Answer

Choanocyte

Question 7

Which of the following statements about the animal kingdom is correct?

Accepted Answer

All animals are multicellular eukaryotes.

Question 8

Which structure allows bony fishes to control their buoyancy?

Accepted Answer

Swim bladder

Question 9

Which of the following statements about the lateral line system in aquatic gnathostomes is INCORRECT?

Accepted Answer

It is involved in digestion.

Question 10

A patient is diagnosed with a parasitic infection caused by a nematode. Which of the following is a possible symptom due to the migration of the parasite within the host?

Accepted Answer

Muscle pain due to Trichinella spiralis

Question 11

Which vertebrate group is characterized by a skull with no jaws and a cartilaginous skeleton, and is known for producing slime?

Accepted Answer

Hagfishes

Question 12

Which of the following is a unique adaptation found in cartilaginous fishes (Chondrichthyes) that aids in detecting electrical signals from prey?

Accepted Answer

Ampullae of Lorenzini

Question 13

Which of the following is a real-world example of a ray-finned fish that can change its sex as part of its life cycle?

Accepted Answer

Clownfish

Question 14

Which of the following equations correctly represents the binomial nomenclature for humans?

Accepted Answer

$$Homo\ sapiens$$

Question 15

Which phylum includes animals with a water vascular system and tube feet, such as sea stars and sea urchins?

Accepted Answer

Echinodermata

Question 16

Which of the following is a defining characteristic of arthropods?

Accepted Answer

Exoskeleton made of chitin

Question 17

Which of the following is a correct application of the theme of 'structure and function' in biology?

Accepted Answer

The shape of bird wings allows for flight.

Question 18

Which of the following is a real-world example of an animal with behavior but no nervous system?

Accepted Answer

Sponge (Porifera)

Question 19

Which of the following is a correct statement about the evolutionary relationship between lobe-finned fishes and tetrapods?

Accepted Answer

Lobe-finned fishes are ancestral to tetrapods.

Biodiversity and Animal Kingdom: Overview and Classification

Study Guide - Practice Questions

Study Guide - Flashcards