Quiz 8

This structure found in phylum Mollusca is responsible for secreting the shell. Question 6 options: Muscular foot Visceral mass Gastrovascular cavity RadulaXXX Mantle

Mantle

A _________ is a digestive tube with a separate mouth and anus that lies within a fluid-filled pseudocoelom. Question 7 options: Invertebrate cavityXXX Alimentary canal Gastrovascular cavityXXX Body cavityXXX Longitudinal cavityXXX

Alimentary canal

A confused friend from your course has made a Halloween costume that is supposed to show one animal phylum. It has a hard outer shell and a water vascular system. You point out that the costume combines features of Question 1 options: Platyhelminthes and Cnidaria. Chordata and Cnidaria. Arthropoda and Echinodermata. Echinodermata and Chordata. Cnidaria and Porifera.xXX

Arthropoda and Echinodermata.

This group of mollusc is found in aquatic environments, and is characterized by a hinged shell. Question 7 options: Bivalves Annelids GastropodsXXX Chitons Cephalopods

Bivalves

These flagellated cells function to pull water into the body of the sponge, and can differentiate into sperm during sexual reproduction. Question 9 options: Amoebocytes Leukocytes Choanocytes??? Cnidocytes Erythrocytes

Choanocytes???

Which of the following animal phyla is not an invertebrate? Question 5 options: Chordata NematodaXXX CnidariaXXX EchinodermataXXX ArthropodaXXX

Chordata

The tentacles of cnidarians are armed with these unique cells that function in defense and capture of prey. Question 10 options: Nematocysts ChoanocytesXXX Leukocytes Cnidocytes Amoebocytes

Cnidocytes

This process is characterized by a larval stage that look entirely different from the adult stage after undergoing pupation. Question 1 options: Incomplete metamorphosisXXX Complete metamorphosis Complete makeover Indeterminate change Parthenogenesis

Complete metamorphosis

This group of invertebrate is characterized by being covered in a tough coat called a cuticle, which undergoes a process of molting. Question 2 options: CnidariansXXX NematodesXXX MolluscsXXX TrematodesXXX Ecdysozoans

Ecdysozoans

Which phylum has a water vascular system? Question 4 options: ArthropodaXXX CnidariaXXX NematodaXXX AnnelidaXXX Echinodermata

Echinodermata

Sponges are this type of feeder that captures food particles suspended in the water. Question 6 options: Systemic feeder Filter feeder Bulk feeder Substrate feeder Mobile feeder

Filter feeder

Which of the following statements about arthropods is false? Question 8 options: Arthropods have an open circulatory system. Most arthropod sensory organs are concentrated at the posterior end. Arthropod bodies are completely covered by a cuticle. Arthropods have well-developed sensory organs. Terrestrial arthropods have internal structures specialized for gas exchange.

Most arthropod sensory organs are concentrated at the posterior end.

Your friend, who was setting up a lab on arthropods for your class, put out specimens of the following groups. Which needs to be removed? Question 2 options:Chelicerates Ophiuroids PancrustaceansXXX MyriapodsXXX

Ophiuroids

The flatworm excretory apparatus consists of these structures, which are networks of ciliated tubules that pull fluid through ducts opening to the outside environment. Question 9 options: Protonephridia Nephrons Protons KidneysXXX CapillariesXXX

Protonephridia

There are two variations on the cnidarian body plan, the sessile __________ and motile __________. Question 3 options: child, adultXXX larva, metamorphXXx polyp, medusa medusa, polyp metamorph, larvaXXX

polyp, medusa

If you wanted to show an example of segmentation to a group of visiting students, which phylum would be the best choice? Question 5 options: NematodaXXX Porifera CnidariaXXXterm-10 Mollusca Arthropoda

Arthropoda

This phylum is the best example of an an animal group with enhanced overall surface area. Question 3 options: Annelida Echinodermata Cnidaria Platyhelminthes Nematoda

Platyhelminthesterm-8

Which of the following groups is the parasitic group belonging to Rhabditophora. Question 8 options: Nematodes Trematodes Planaria Cnidarians Catenulids

Trematodes

If you discovered a new organism with 10 jointed legs, you would expect it to have Question 10 options: a water vascular system. a radula. muscles attached to an exoskeleton. a siphon. a closed circulatory system.

muscles attached to an exoskeleton.

The major difference between the two divisions of annelids, the errantians and sedentarians, is that Question 4 options: sedentarians contain parapodia. sedentarians are all marine organisms. sedentarians are more mobile than errantians.XXX errantians include leeches. sedentarians are less mobile than errantians.

sedentarians are less mobile than errantians.