Deck 15: Diversity of Animals

Question 1

Animals with bilateral symmetry have ___________, which other animal do not:

A)a head and anus
B)a shell
C)a right and left side

Answer 1

C

Question 2

The most primitive vertebrates alive today are the ________ and __________.(Outcome #6b)

A)sharks, rays
B)hagfishes, lampreys
C)tunicates, lancelets

Answer 2

B

Question 3

Which of the following animals does not have a chambered heart?

A)sheep
B)earthworm
C)frog

Answer 3

B

Question 4

The simplest animal phylum consists of which animals and is called what?

A)anemones, Anthrozoa
B)sponges, Anthozoa
C)sponges, Porifera

Question 5

Which of the following classes have the defining life cycle feature of a prominent medusa form and a brief, minor polyp form?

A)Schyphozoa (jellies)
B)Anthozoa (anemones)
C)Platyhelminthes (flatworms)

Question 6

The vast majority of animal species alive today belong to which major group?

A)vertebrata
B)invertebrates
C)chordata

Question 7

The primary difference between amphibians and reptiles is what?

A)Reptiles have teeth, whereas amphibians do not.
B)Reptiles have an extra bone in the ear called the auricular operculum; amphibians do not.
C)Amphibians have a moist, permeable skin, while reptiles have a dry, scaly skin.

Question 8

How could you determine if a newly discovered animal were a vertebrate or an invertebrate?

A)test for the presence of a spinal column by dissection or x-ray
B)test for the presence of DNA
C)test for the ability of the organism to respond to stimuli with movement

Question 9

All vertebrates are classified into the phylum Chordata, but this phylum also contains two groups of invertebrates, the __________ and the ___________,

A)Urochordata (tunicates), Cephalochordata (lancelets)
B)Asteroidea (sea stars), Holothuroidea (sea slugs)
C)Cephalopoda (octopi, squids, etc.), Scaphopoda (tusk and tooth shells)

Question 10

Which of the following is not a member of the phylum Arthropoda?

A)spiders
B)sea urchins
C)millipedes

Question 11

What is the major distinction scientists use to divide the animal kingdom?

A)whether the animal has a vertebral column or not
B)whether the animal has an endoskeleton or not
C)whether the animal has an exoskeleton or not