Final Exam Jeopardy NematodaMolluscaEchinodermataArthropodaChordata Final Jeopardy

What type of body plans do Nematodes possess? Acoelomate, Pseudocoelomate, or Coelomate 2

Pseudocoelomate 3

4 The following are characteristics of phylum Nematoda except a. Pseudocoelomates b. Mostly parasitic c. Deuterostomes d. Dioecious

5 Deuterostomes

6 What is the difference between Eutely & Epitoky?

7 Eutely - A rare condition in which all members of a particular species contain the exact same number of cells in their bodies Epitoky – cloning oneself and allowing those clones to breed to create the next generation

8 What is the life cycle of the Ascaris worm?

9 1.Eggs accidentally ingested 2.Larvae break out of digestive tract and move to lungs via blood 3.Cough up larvae and swallow back into digestive tract 4.Adults mature and eggs pass in feces

10 How do you contract the following nematodes? Wuchereria Trichinella Loa loa Hookworms Dracunculus

11 Wuchereria – Mosquito Trichina – Undercooked Pork Loa loa – Loa loa Fly Hookworms – Burrow into foot Dracunculus – water contaminated with copepods

12 Define the following Terms… Mantle Radula Chromatophores

13 Mantle - the special cell layer that secretes the shell in mollusks Radula - the rasping tongue found in many mollusks Chromatophores - the special cells found in cephalopods that allow them to change color at will

14 How do pearls form?

15 A grain of sand is caught between the shell and mantle and shell is layered around the grain of sand until it becomes a pearl

16 Which of the following invertebrates are the only invertebrate deuterostomes? Mollusks, Cnidarians, Nematodes, Echinoderms, or Annelids

17 Echinoderms

How do the following mollusks obtain their food? Oysters Snails Squid Cone Snails 18

19 Oysters – filter feeders Snails – radula Squid – tear flesh with beak Cone Snails – venomous harpoon

Name an organisms in each of the following Molluscan Classes Polyplacophora Bivalvia Gastropoda Scaphopoda Cephalopoda 20

21 Polyplacophora - Chitons Bivalvia – Clams, oysters, etc… Gastropoda – Snails, conchs, etc… Scaphopoda – Tooth shells Cephalopoda – Squid, octopus, nautilus

22 What is the main difference between echinoderm larvae and adults? (Symmetry)

23 Larvae – Bilateral Adults - Radial

24 The following are all true of Echinoderms except… a. Possess water vascular systems b. No head or brain c. Arms in multiples of 5 d. Protostomes

25 Protostomes

26 Trace the path that water takes through the water vascular system

27 Madreporite Stone Canal Ring Canal Radial Canal Ampullae Tube Feet

28 How do the following Echinoderms obtain their food? Sea Urchins Sea Stars Brittle Stars Sea Cucumbers

29 Sea Urchins – bite off pieces of kelp with teeth Sea Stars – extend stomach outside body Brittle Stars – suspension feeding to grab floating plankton Sea Cucumbers – shovel sand into mouth & extract organics

30 List an organism found in each of the following 5 echinoderm Classes Asteroidea Holothuroidea Crinoidea Echinoidea Ophiuroidea

31 Asteroidea – Sea Stars Holothuroidea – Sea Cucumbers Crinoidea – Sea Lilies Echinoidea – Urchins & Sand Dollars Ophiuroidea – Brittle & Basket Stars

32 What kinds of venom do the black widow and the brown recluse possess?

33 Black widow – Neurotoxin Brown recluse - Necrotoxin

34 What 3 structures are used for respiration in various arthropods across the Arthropod Phylum?

35 Gills, Book lungs, or Spiracles

36 What kinds of organisms are in the following Arachnid Orders? Aranae Acari Scorpiones

37 Aranae – Spiders Acari – Ticks & Mites Scorpiones – Scorpions

38 What kinds of organisms are in the following Arthropod Subphyla? Trilobita Chelicerata Myriapoda Crustacea Hexapoda

39 Trilobita - Trilobites Chelicerata – Arachnids & Horseshoe Crabs Myriapoda – Centipedes & Millipedes Crustacea – Lobsters, shrimp, & crabs Hexapoda – Insects

40 Define each insect Order and provide an example of an insect in each Hemiptera Coleoptera Diptera Orthoptera Homoptera Hymenoptera

41 Hemiptera – Half Wing (true bugs) Coleoptera – Shield Wing (beetles) Diptera – Two Wing (flies) Orthoptera – Straight Wing (grasshoppers) Homoptera – Same Wing (cicadas) Hymenoptera – Membrane wing (bees)

42

37 Acorn Worm Lancelet Sea Squirt

44 What type of organism is the only living member of the Phylum Hemichordata?

45 Acorn Worms

46 What types of organisms are found in Subphylum Cephalochordata and Urochordata?

47 Cephalochordata - Lancelets Urochordata - Sea Squirts

48 Urochordates seem to “de-evolve” as they grow into adults. In what ways is this “de-evolution” apparent?

49 They lose their cephalization, mobility, and notochord while almost losing the nerve cord completely

50 Name the seven characteristics that all Chordates have in common in at least part of their life.

51 Post-anal Tail Notochord Dorsal, hollow nerve chord Segmented muscles Deuterostomes Pharyngeal gill slits Bilateral symmetry

52 The P/T and K/T extinctions… What was the cause of each extinction, how long ago did each occur, and what Eras of the Phanerozoic Eon were separated by each extinction?

53 P/T – Caused by a Supervolcano 250 mya (Separates the Paleozoic Era from the Mesozoic Era) K/T – Caused by an asteroid 65 mya (Separates the Mesozoic Era from the Cenozoic Era)