AP Bio Chapter 28

All of the following are true of the excretory organ of a planaria EXCEPT: A) May also be used to sense movement in the environment B) Excretes water C) Functions in osmotic regulation D) Includes a flame cell

A) May also be used to sense movement in the environment

Arthropods are characterized by _____. A) jointed appendages B) a muscular foot C) cnidocytes which capture prey D) All of these

A) jointed appendages

Humans may get _____ by consuming undercooked pork. A) tapeworms B) liver fluke C) planaria

A) tapeworms

All of the following are arthropods EXCEPT: A) Horseshoe crabs B) Earthworms C) Millipedes D) Crawfish

B) Earthworms

Which of the following is NOT true of triploblastic animals? A) Triploblastic embryos have three embryonic tissue layers. B) They are organized at the tissue level of organization. C) Triploblasts are either protostomes or deteutostomes.

B) They are organized at the tissue level of organization.

A function of the choanocytes is _____. A) coordination of cellular activity B) digestion of food particles obtained from the water C) capture of prey D) All of these

B) digestion of food particles obtained from the water

In an insect, nitrogenous waste is excreted into the _____. A) tracheae B) digestive tract C) tympanum

B) digestive tract

Which of the following correctly describes hydra? A) colonial B) fresh-water dweller C) immobile D) medusa body form

B) fresh-water dweller

The ________ is the primary stage of development in the true jellyfishes. A) polyp B) medusa C) sea anemones D) None of these

B) medusa

_____ which lives in the cecum and large intestines, is the most common nematode parasite in the United States. A) Trichenella spiralis, the cause of trichinosis, B) Wuchereria bancrofti, a filarial worm, C) Enterobius vermicularis, the pinworm,

C) Enterobius vermicularis, the pinworm,

Mollusks have _____. A) radial symmetry B) no body cavity C) a complete digestive system D) a tissue level of organization

C) a complete digestive system

An animal that has definite right and left halves has _____. A) asymmetry B) radial symmetry C) bilateral symmetry D) None of these

C) bilateral symmetry

Mucus which prevents the sperm from drying out as it is passed between earthworms is secreted by the _____. A) crop B) nephridium C) clitellum D) setae

C) clitellum

Which of the following is incorrectly matched? A) sponges - no tissues B) cnidaria - gastrovascular cavity C) free-living flatworm - hooks and suckers D) ribbon worm - tube within a tube

C) free-living flatworm - hooks and suckers

All animals are believed to have evolved from a _____ ancestor. A) fungal B) bacterial C) protistan

C) protistan

An animal that has an internal body cavity completely lined with mesoderm is called a(n) _____. A) acoelomate B) pseudocoelomate C) true coelomate

C) true coelomate

Parasitic flatworms are characterized by _____. A) hooks and suckers for attachment to the host B) extensive development of the reproductive organs C) a tegument to protect them from the hosts' digestive juices D) All of the above

D) All of the above

Roundworms have a(n) _____. A) partially lined body cavity B) complete digestive tract C) organ level of organization D) All of these

D) All of these

The sand dollar and sea urchin use their spines for ______. A) locomotion B) defense C) burrowing D) All of these

D) All of these

Which of the following does not describe animals? A) Multicellular B) Heterotrophic C) Germ layers D) Cell walls containing cellulose

D) Cell walls containing cellulose