quiz on Mollusks, Arthropods, and Echinoderms

The flashcards below were created by user angeleenie70 on FreezingBlue Flashcards.

  1. What are mollusks?
    soft-bodied invertebrates that usually have a shell
  2. Examples of mollusks
    • clams
    • oysters
    • snails
    • slugs
    • octopus
    • squid
  3. What is the thin membrane that secretes the shell for many mollusks?
    the mantle
  4. What type of circulatory system do mollusks have?
  5. What does "open circulatory system" mean?
    the blood is not always inside the blood vessels the way a human's is
  6. How do Octopus and Squid swim?
    using a jet-action water vascular system, water is forced out through a tube-like structure near the head which sends the mollusk quickly in the opposite direction
  7. Which mollusk is used in aquariums to help keep them clean from algae?
  8. How does the snail keep the aquarium clean?
    using their radula
  9. What is a radula?
    A tongue-like organ used to scrape algae off of rocks
  10. What are the 3 classes of mollusks?
    • Gastropods
    • Bivalves
    • Cephalopods
  11. What is the largest group of mollusks?
  12. What is unique about gastropods?
    they have only one shell
  13. What is another name for a Gastropod?
  14. What does Gastropod mean?
    "stomach foot"
  15. What are examples of gastropods?
    • snails
    • slugs
    • conchs
  16. What is unique about a Bivalve?
    It has a hinged shell in two parts
  17. What are three examples of bivalves?
    • oysters
    • clams
    • scallops
  18. Which bivalve is well-known for producing pearls?
    the oyster
  19. How are pearls made?
    • an irritant, such as a grain of sand, is embedded in the mantle
    • the mollusk then coats the irritant with the same material used to produce the lining of its shell
  20. What does Cephalopod mean?
  21. What are 4 examples of Cephalopods?
    • octopus
    • squid
    • cuttlefish
    • nautilus
  22. What is the only member of the Cephalopod that has an external shell?
  23. What do the arms of the Octopus and Squid have?
    disc-shaped suckers used for gripping their prey
  24. What is the difference in an Octopus and a Squid?
    octopus has 8 arms, the Squid has 10
  25. What does Arthropoda mean?
    "jointed foot"
  26. What is the largest phylum of animals?
  27. What is an appendage?
    • a structure that grows from the body
    • example: ¬†arms and legs
  28. What are the 4 appendages of an arthropod?
    • jointed legs
    • claws
    • pincers
    • antennae
  29. What are the 3 body regions of an arthropod?
    • head
    • thorax
    • abdomen
  30. What are the 4 classes of Arthropods?
    • insecta
    • arachnids
    • crustaceans
    • myriapods
  31. Which class of arthropods is the largest?
  32. What are some examples of insects?
    • flies
    • moths
    • grasshoppers
    • mosquitoes
    • ants
    • bees
  33. How do insects breathe?
    using Spiracles, located in their abdomen
  34. What is a tympanum?
    organ used by insects for hearing, located under their wings
  35. How many eyes do insects have?
    • 3 simple eyes
    • 2 compound eyes
  36. How do insects use simple eyes?
    use them for detecting light and dark
  37. How do insects use compound eyes?
    used for detecting color and movement in all directions at once
  38. What are insects that live in colonies called?
    social animals
  39. What are 2 good examples of social animals?
    • bees
    • ants
  40. What does metamorphosis mean?
    the change of body form and appearance
  41. What are 2 types of metamorphosis?
    • complete
    • incomplete
  42. What is complete metamorphosis?
    • the larva looks entirely different from the adult
    • example: ¬†butterfly
  43. What is incomplete metamorphosis?
    • the larva is a "mini" version of the adult
    • example: ¬†grasshopper
  44. What are the 4 stages of complete metamorphosis?
    • egg
    • larva
    • pupa
    • adult
  45. What happens during the pupa stage?
    • insect forms a chrysalis or spins a cocoon around itself
    • it does not eat during this time and goes through many changes
  46. What are the 3 stages of incomplete metamorphosis?
    • egg
    • nymph
    • adult
  47. What are examples of arachnids?
    • spiders
    • scorpions
    • mites
    • ticks
  48. What are examples of crustaceans?
    • shrimp
    • crab
    • lobster
  49. give 2 examples of myriapods
    • centipedes
    • millipedes
  50. What are centipedes also known as?
  51. What are millipedes also known as?
  52. What is an enchinoderm?
    • a "spiny-skinned" animal includes:
    • starfish
    • sea cucumbers
    • brittle stars
    • sea urchins
    • sand dollars
Card Set:
quiz on Mollusks, Arthropods, and Echinoderms
2013-03-01 01:37:25
5th grade science

study guide
Show Answers: