Zoology Exam 3

Front 1

Mollusca are characterized by the presence of:

Back 1

A mantle

Front 2

A coelomate animal characterized by distinct segmentation, a closed circulatory system, and (commonly) regeneration is most likely a member of phylum:

Back 2

Annelida

Front 3

A distinctive feature of members of the class Errantia is:

Back 3

Parapodia

Front 4

Earthworms are most closely related to:

Back 4

Leeches

Front 5

Octopi and cuttlefish are members of the phylum:

Back 5

Mollusca

Front 6

A burrowing animal with an open-ended tooth shaped shell which feeds using captacula would be a member of:

Back 6

Scaphopoda

Front 7

Snail like animals with 8 dorsal plates that attach tightly to intertidal rocks and graze on algae:

Back 7

Polyplacophora

Front 8

Which of the following most closely matches the meaning of the word "cephalopod"?

Back 8

Head foot

Front 9

Which of the following most closely matches the meaning of the word "gastropod"?

Back 9

Stomach foot

Front 10

Planarians, tapeworms, earthworms, and snails are all members of the clade called:

Back 10

Lophotrochozoa

Front 11

Which of the following groups of phyla are members of the Ecdysozoa?

Back 11

Nematodes and arthropods

Front 12

A pseudocoelomate animal with a high internal turgor pressure, only longitudinal muscles, and a molted cuticle

Back 12

Nematoda

Front 13

The very long, thin animal bursting out of its arthropod host (grasshopper, etc.) that you saw a video of (and heard stories of):

Back 13

Nematomorpha

Front 14

This thick body pseudocoelomate worm with a spiny introvert is known by the common name of "penis worm":

Back 14

Priapulida

Front 15

This tiny pseudocoelomate animal is covered with spiny scalids and burrows with its pumping snout:

Back 15

Kinorhyncha

Front 16

Phylum? Class? A? B? C?

Back 16

Phylum: Annelida

Class: Clitellata

A: Clitellum

B: Hearts

C: Brain (ganglion)

Front 17

A jointed exoskeleton is distinguishing characteristic of which taxonomic group:

Back 17

Arthropoda

Front 18

Ommatidia are:

Back 18

Units in a compound eye

Front 19

Insects differ from most other members of their phylum in that they:

Back 19

All of these

Air breathers, have wings, have three distinct tagmata, evolved in terrestrial environments

Front 20

Cryptobiosis is a distinguishing characteristic of which taxonomic group:

Back 20

Tardigrada

Front 21

A horseshoe crab is an example of which group:

Back 21

Merostomata

Front 22

A shrimp is an example of which group:

Back 22

Malacostraca

Front 23

An insect with a larval life stage that is distinctly different from the adult form, therefore undergoing a complete metamorphosis during the pupa stage (such as moths, beetles, flies and bees), are known as:

Back 23

Holometabolus

Front 24

Bees, wasps and ants display an unusual phenomenon in which males are produced by unfertilized eggs, while females from fertilized ones. This is called:

Back 24

Haplodiploidy

Front 25

The unit which evolves is the:

Back 25

Population

Front 26

Any change over successive generations in the relative frequencies of different alleles in the gene pool of a population is:

Back 26

Evolution

Front 27

Farmers and animal breeders control the traits of plants and animals by practicing:

Back 27

Artificial selection

Front 28

Of the greatest importance in evolution is the number of individuals who, under local environmental conditions:

Back 28

Reproduce successfully

Front 29

A species found only in a highly limited geographic region is known as:

Back 29

Endemic

Front 30

Bird wings are supported by forelegs, and butterfly wings are supported by outfoldings of exoskeleton, making this an example of a(n) _____ structure

Back 30

Analogous

Front 31

Any characteristic of an organism that increases its fitness is described as:

Back 31

Adaptive

Front 32

Fossils found in the lowest (deepest) geological strata are generally:

Back 32

The oldest

Front 33

Phylum? Subphylum? A? B? C? Class?

Back 33

Phylum: Anthropoda

Subphylum: Crustacea

A: Antennae

B: Cephalothorax

C: Telson

Class: Malacostraca (Order Decapoda)