1st Sem Final - Zoology

  1. What is the difference between complete and incomplete metamorphosis?
    • complete: egg, larva, pupa, adult
    • incomplete: egg, nymph, adult
  2. What do spiders use to breathe?
    book lungs
  3. How do spiders bite and what is injected into their prey before they eat them?
    • chelicerae¬†
    • digestive juices
  4. What class do spiders belong to?
  5. What are setae?
    hair like appendages that sense air currents
  6. What form of insect respiration has a direct path to the external environment?
    tracheal tubes
  7. How do insects communicate?
    • pheromones
    • bioluminescence
    • waggle dance
  8. What type of circulatory system do arthropods have?
  9. How do crustaceans breathe?
  10. What is a chela?
    claw like structure on the chelapeds
  11. What are uropods used for in crustaceans?
    • swimming backwards
    • copulation
    • protecting young
  12. What is the cephalothorax and how do crustaceans shed their exoskeleton?
    • head and thorax
    • ecdysis
  13. What are three types of ways crustaceans eat?
    • scavenger: eat already dead organisms
    • suspension: eat things that are floating in the water
    • predator: hunt and eat worms, larvae, other crustaceans
  14. What is it called when you place objects into groups based on similarities and how do you name them using two words?
    • classification
    • binomial nomenclature
  15. How do you form the scientific name of an organism?
    genus and species
  16. What is the difference between autotrophic and heterotrophic?
    • autotrophic: make their own food
    • heterotrophic: has to find their own food
  17. What is the order of the taxonomic divisions?
    kingdom, phylum, class, order, family, genus, species
  18. What is the difference between artificial selection and natural selection?
    • artificial: humans breed organisms to produce specific traits
    • natural: animals with specific traits survive to pass on because they are best suited for their environment
  19. What is the difference between camouflage and mimicry?
    • camouflage: blending in with their surroundings
    • mimicry: resembling another species
  20. What are examples of homologous and analogous structures?
    • homologous: bird wings and human forearms
    • analogous: bird wings and insect wings
  21. What structure no longer has function in an organism and an example?
    vestigial structure, wisdom teeth
  22. What type of symmetry and what type of circulation do annelids have?
    • bilateral
    • closed
  23. What do you call the segments that separate the worms body?
  24. How do earthworms move?
    • setae
    • longitudinal muscles
    • circular muscles
  25. What do you call the head of a worm?
  26. How can earthworms help humans?
    • aeration of soil
    • bait for fishing
    • medicinal reasons
  27. What class do earthworms belong to? What class do leeches belong to?
    • oligochaeta
    • hirudinea
  28. What do earthworms do in order to breathe when the ground is too saturated?
    sticks mouth and anus out of the ground
  29. What do leeches use to suck blood from their hosts and what substance is released from them?
    • proboscis
    • anticoagulant
  30. What type of symmetry do echinoderms have?
  31. What do you call tube feet?
  32. What do echinoderm arms extend out of and how much must be cut off to form a new starfish?
    • central disc
    • 1/5
  33. What are pedicellariae?
  34. What are located at the end of each arm and used for vision in starfish?
  35. What is unique about the cardiac stomach?
    extends out of the mouth to digest material
  36. What does it mean to be a bivalve?
    having two shells
  37. What opens and closes the shell and what is the oldest part of the shell?
    • adductor muscles
    • umbo
  38. What does the foot do in bivalves?
    it is used for locomotion
  39. What is a rasping, tongue like organ that helps grind food?
  40. What are two uses humans have for mollusks?
    • food
    • jewelry
  41. What are the three layers of a bivalve shell?
    • nacreous
    • prismatic
    • periostacum
  42. What is the specialized cells called that allow octopi to change color?
Card Set
1st Sem Final - Zoology
1st semester final study guide for zoology.