Multiple choice - please select the best answer that fills in the blank.
B The _______________ include the Phylum Porifera through the Subphylum Urochordata.
`vertebrates `invertebrates
Multiple choice - please select the best answer that fills in the blank.
B The _______________ include the Subphylum Vertebrata and Classes Agnatha through Mammalia.
`vertebrates `invertebrates
Multiple choice - please select the best answer that fills in the blank.
A Animals in the Phylum _______________ are filter-feeders, lack symmetry, include spicules in the body framework, and have specialized collar cells.
`Cnidaria `Mollusca `Porifera `Arthropoda
Multiple choice - please select the best answer that fills in the blank.
C __________________ are specialized cells that have a flagellum that beats to "pump" water through the sponges.
`nematocysts `collar cells `amoebocytes `tracheas
Multiple choice - please select the best answer that fills in the blank.
B The part of the collar cell that traps food for absorption is called the ______________.
`nematocyst `collar cell `amoebocyte `microvilli
Multiple choice - please select the best answer that fills in the blank.
D The animals of the Phylum ______________ have radial symmetry and specialized stinging cells.
`Cnidaria `Mollusca `Porifera `Arthropoda
Multiple choice - please select the best answer that fills in the blank.
A The jellyfish and sea anemones have nerve cells that form a ____________________.
`Malpighian tubule `nephridia `nerve net `nematocyst
Multiple choice - please select the best answer that fills in the blank.
C The Cnidarians can be seen in two different body forms (a polyp or a medusa), both of which have tentacles, a mouth, and a _________________________ (a sac-like gut).
`water vascular system `hydrostatic skeleton `gastrovascular cavity
Multiple choice - please select the best answer that fills in the blank.
C The animals in the Phylum _______________ have no coelom, and some members, like flukes and tapeworms, are parasitic.
Multiple choice - please select the best answer that fills in the blank.
B The annelids are supported by a ____________________.
`water vascular system `endoskeleton `exoskeleton `hydrostatic skeleton
Multiple choice - please select the best answer that fills in the blank.
D Characteristics of the Phylum ________________ include a mantle, some type of modified muscular foot, bilateral symmetry, and gills in aquatic species.
`Cnidaria `Mollusca `Porifera `Arthropoda
Multiple choice - please select the best answer that fills in the blank.
B The snails and slugs of the Class Gastropoda feed with a tongue-like organ called a ________________.
`file `filter-feeder `radula `tentacle
Multiple choice - please select the best answer that fills in the blank.
C Members of the Class Bivalvia are known as ___________________ because they pump water through an incurrent siphon, across the gills trapping particles of food, and expel the water through an excurrent siphon.
`gobblers `filter-feeders `pigs `grazers
Multiple choice - please select the best answer that fills in the blank.
B Many of the cephalopods move by ____________________ .
`crawling `walking `jet propulsion `hydraulics
Multiple choice - please select the best answer that fills in the blank.
C The ________________ are the only Mollusks to have a closed circulatory system and large, well-developed eyes.
`gastropods `bivalve `cephalopods
Multiple choice - please select the best answer that fills in the blank.
C Animals in the Phylum _______________ have jointed appendages, and exoskeleton, well-developed sensory organs, and are members of the largest Phylum in the animal kingdom.
`Cnidaria `Mollusca `Porifera `Arthropoda
Multiple choice - please select the best answer that fills in the blank.
D Members of the Class _____________ lack antennae, have fang-like chelicerae, and have silk glands.
Multiple choice - please select the best answer that fills in the blank.
C Members of the Class Insecta have three body parts: a head, a ____________, and an abdomen.
`cephalothorax `thorax `tail `brain
Multiple choice - please select the best answer that fills in the blank.
B The _______________ digestive tract in Arthropods consists of a tube that is pinched at several points, with each pinched region having a special function to breakdown food and absorb nutrients.
`complete `incomplete `open `closed
Multiple choice - please select the best answer that fills in the blank.
A Respiration in insects occurs through the ___________________.
`book lungs `tracheal system `Malpighian tubules `nephridia
Multiple choice - please select the best answer that fills in the blank.
B In insects, sexual reproduction occurs through ___________________.
