expert ta animal diversity

    

Which of the following is the MOST advanced type of digestive system?

digestion within a tube with openings at each end to the outside of the body

    

Segmentation is important in the evolution of animals because:

it allows for specialization of function

    

A(n) ________ provides support and protection to bivalves.

shell

  

What is the only group of animals without true tissues?

sponges

  

Which of the following is characteristic of sponges?

sexual reproduction

    

Which of the following is NOT a characteristic found in cnidarians?

organs

    

Tapeworms attach to the digestive lining of the host by means of their

scolex

  

Cnidarians are:

radially symmetrical

    

A rasping radula is characteristic of all mollusks except

bivalves

    

A cnidocyte is a specialized cell used for:

capturing food

  

Which of the following is NOT characteristic of bilateral symmetry?

all sections are mirror images

    

The molluscan radula is used for

food getting

    

The only mollusk from the following list that has a closed circulatory system is

octopus

    

Bivalve mollusks typically are

filter feeders

    

The key evolutionary advance in annelids is

segmentation

    

Which of the following statements about annelids and flatworms is correct?

Flatworms are unsegmented, whereas annelids are segmented

Which of the following statements is false?

Both acoelomates and pseudocoelomates have a body cavity

Annelids have a ___

a true coelom

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

sponges, Porifera

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

a right and left side

  

A complex carbohydrate found in both fungi and arthropods is:

chitin

    

A jointed exoskeleton is a characteristic of

insects

    

The dominant animal taxon in terms of number of species and number of individuals is:

Arthropoda

    

In vertebrates the blastopore becomes the anus. An invertebrate phylum sharing this characteristics is the:

Echinodermata

  

The foremost (most anterior) appendages on spiders are

chelicerae

  

Which one of the following is a characteristic of the arthropods?

segmented body, jointed appendages, exoskeleton, coelom

  

The most successful and diverse of all animal groups are the:

arthropods

    

Which of the following has two pairs of appendages per body segment?

millipedes

    

The functions of waste removal and respiration are combined in the sea star's

tube feet

    

The "spiny skin" for which echinoderms are named refers to the

calcium-rich endoskeleton

    

Echinoderms are most closely related to:

chordates

    

Which of the following is NOT characteristic of the sea stars?

notochord

    

Which of the following features are unique to echinoderms?

They possess an endoskeleton of dermal plates beneath the skin

They are bilaterally symmetrical as larvae, but undergo metamorphosis to radial adults

The coelom is transformed into a unique water-vascular system that uses hydraulic power to operate many tiny feet

    

The problem of waste disposal caused by the watertight egg is solved by storing the waste in the

allantois

    

Which of the following features of birds is NOT an adaptation for flight?

Modified hind limbs

    

A characteristic that distinguishes chordates from other animals is:

notochord

Crustaceans are ____

ecdysozoans

Echinoderms in their larval state have ____

bilateral symmetry

Members of Chondrichthyes differ from members of Osteichthyes by having a ______

cartilaginous skeleton

Which of the following is a Monotreme?

platypus

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

Echinodermata

Squamata includes _____.

lizards and snakes

The most primitive vertebrates alive today are the ________ and _________

hagfishes, lampreys

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

Urochordata (tunicates), Cephalochordata (lancelets)

Echinoderms have ____

pentaradial symmetry

Which of the following statements about the parts of an egg are false?

The amniotic cavity is filled with albumen

Members of Chondrichthyes differ from members of Osteichthyes by having a ________.

cartilaginous skeleton

Monotremes include:

platypuses

    

Birds have modified bodies for flight, including having all of the following EXCEPT:

teeth

  

Which trait is shared by both echinoderms and chordates?

Deuterostome development

  

Vertebrate jaws evolved from skeletal supports associated with:

pharyngeal slits

  

The notochord in vertebrates is best described as:

A flexible rod that provides structural support during development

    

Which of the following is (are) a key adaptation(s) that allowed vertebrates to move onto land?

Limbs with digits

  

Echinoderms are unusual among animals because adult individuals typically exhibit:

Radial symmetry derived from bilateral larvae

    

Why are amniotic eggs important?

Allow terrestrial development

  

Which of the following best describes the function of the lateral line system in fish?

Sense vibrations

  

Why are echinoderms considered closely related to chordates?

Both are deuterostomes

  

All chordates share which of the following features at some point in their life cycle?

Notochord, dorsal hollow nerve cord, and pharyngeal slits