FREE BIOLOGY AND STUDY GAMES ABOUT BIO CHAPTER

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FREE BIOLOGY AND STUDY GAMES ABOUT BIO CHAPTER

21 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -50 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: What vertebrate group is characterized by four-chambered hearts, feathers, and endothermy?

Answer:

birds

Question 2: The invertebrate chordates are the?

Answer:

tunicates and lancelets.

Question 3: One advantage of having a coelom is?

Answer:

flexibility in movement.

Question 4: Animals arose from a type of flagellated?

Answer:

protist

Question 5: What are monotremes?

Answer:

are mammals that lay eggs, such as the duck-billed platypus.

Question 6: What is a vascular water system?

Answer:

a series of enclosed, water-filled canals that end in hollow tube feet.

Question 7: Select all of the following that are in the group Bilateria.

Answer:

-chordates -flatworms -roundworms -arthropods

Question 8: What are Tuataras?

Answer:

are reptiles that closely resemble lizards, all

Question 9: What group contains 60,000 species, most of which are vertebrates?

Answer:

Chordates

Question 10: Select all of the characteristics of Phylum Echinodermata.

Answer:

-deuterostome development -radial symmetry in adults -bilateral symmetry in larvae -closest animal relatives to chordates

Question 11: What animals have a pseudocoelom?

Answer:

roundworms

Question 12: Select the four distinguishing features that all chordates have at some time during their lives.

Answer:

-postanal tail -notochord -dorsal, hollow nerve cord -pharyngeal pouches or slits

Question 13: What are cephalopods?

Answer:

organisms that has arms connected to a head structure; squids, nautilluses, and octopuses

Question 14: Arthropods are characterized by?

Answer:

protostome development and jointed appendages.

Question 15: What are some advantages to having more heart chambers?

Answer:

The more heart chambers, the better the separation of oxygen- rich blood from oxygen-poor blood, and the greater the efficiency with which blood delivers oxygen.

Question 16: Select all the chordates that have a cranium.

Answer:

-vertebrates -hagfish

Question 17: Swim bladders and lungs evolved from outgrowths of the

Answer:

Esophagus

Question 18: Select all the characteristics of earthworms.

Answer:

-bristles on each segment -ingest soil and eliminate indigestible particles -saddlelike cocoon near head to protect eggs

Question 19: taxonomic rank that consists of bilateral symmetry, protostomes, have characteristic larvae and DNA sequences

Answer:

Lophotrochozoa Question 20: taxonomic rank that consists of bilateral symmetry; mouth arises from second opening in embryo?

Answer:

Deuterosomes

Question 21: What are gastropods?

Answer:

organisms that crawl on a broad, flat foot; nudibranchs, limpets, snails, and slugs

Question 22: Grasping, clawlike mouthparts of spiders and scorpions are called?

Answer:

chelicerae Question 23: What mammal group is currently the most diverse and is also called the eutherians?

Answer:

placentals Question 24: Mostly marine animals with radial symmetry, two germ layers, and stinging cells are called ______, which include jellyfishes, hydras, corals, and sea anemones.

Answer:

cnidarians

Question 25: What are Caecilians?

Answer:

are unusual amphibians: their bodies lack limbs. Thus,

they resemble giant earthworms