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33 Cards in this Set

  • Front
  • Back

Mollusca are characterized by the presence of:

A mantle

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


A distinctive feature of members of the class Errantia is:


Earthworms are most closely related to:


Octopi and cuttlefish are members of the phylum:


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


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


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

Head foot

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

Stomach foot

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


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

Nematodes and arthropods

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


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


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


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


Phylum? Class? A? B? C?

Phylum: Annelida

Class: Clitellata

A: Clitellum

B: Hearts

C: Brain (ganglion)

A jointed exoskeleton is distinguishing characteristic of which taxonomic group:


Ommatidia are:

Units in a compound eye

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

All of these

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

Cryptobiosis is a distinguishing characteristic of which taxonomic group:


A horseshoe crab is an example of which group:


A shrimp is an example of which group:


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:


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


The unit which evolves is the:


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


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

Artificial selection

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

Reproduce successfully

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


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


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


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

The oldest

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

Phylum: Anthropoda

Subphylum: Crustacea

A: Antennae

B: Cephalothorax

C: Telson

Class: Malacostraca (Order Decapoda)