LECTURE 17

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Author:
rcornelio
ID:
247112
Filename:
LECTURE 17
Updated:
2013-11-15 23:18:30
Tags:
Ants Termites
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Description:
BIOL100001
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  1. Give the classification for ants
    • K:animalia
    • P:Athropoda
    • C:Insecta
    • O:Humnoptoera
    • F:Formicidae
  2. What is special about insects?
    Their legs are not branched and they have 1 pair of Antenna
  3. Explain and give evidence about how diverse ants are
    • Ants are both morphologically and ecologically diverse.
    • Morphological : there are 50 different species
    • Ecological : they can lived in all sorts of environments , arid zones, alpine zones, trees, wet/dry tropics etc
  4. Describe the social nature of ants
    • Ants must live in colonies to survive
    • They have a hierachy : 
    • Queen  one 
    • workers/soldiers : plenty all female 
    • repletes
    • males only there for sperm and die after fertilization 
    • Queen signals control everything, if the queen disappears one of the workers becomes the queen
  5. Ant nests how are they important
    • They are central to the colony function
    • nests can be reused 
    • saves energy 
    • nests vary and are engineered to their environment
  6. Types of ants
    • Meat Ants : really neat 
    • Green Ants :live in trees really organised
  7. Dietary Niches
    • predators
    • scavengers
    • specialized on seeds
    • feed on liquids
  8. Special relationships b/w ants
    • Mutalism : acacias and lycanid butterfly . Acacia : carry their seeds underground and they receive an eliasome which is rich in lipids
    • Lycanid : lays eggs in the plants , caterpillars excrete amino aciss which are used by ats , ants protect caterpillars
    • Parasitism : larvae is placed in the middle of the nest , evolved to mimic ants .
    • They feed of ants and larvae
    • they are hairy so ants don't get to the caterpillars
  9. Give me the classification of termites
    • K:anamalia
    • P:athropoda
    • C:insecta
    • O:isoptera
  10. Explain sociability of termites
    • Queen
    • Workers : both male and female 
    • less specialized all sterilize
  11. Termite mounds what's so special about them?
    • the mounds are very hard and cemented by saliva
    • it must be resistant to breaking
    • termite mounds are magnetic with N/S orientation - at the hottest part of the day very little of the mound is exposed as sun rises at the east and sets at the west
    • when it is is really warm they move their larvae to the cool parts of the mound 
    • termite colonies function around their mounds 
    • can actively maintain temp and humidity 
    • colony size varies
  12. Termite diets what is it?
    • much narrower than ants
    • live and dead timber and grass
    • food is generally very poor quality and very abundant low water content
  13. Why is the symbiotic relationship with termites
    Trichomypha : symbiotic protists lives in the gut of the termite and has cellulose that can digest the cellulose in t he gut of the termite
  14. Compare ants and termites
    • Differences :
    • ants have only females workers and termites have both 
    • ants have a diverse diets and termites feed on just dead wood
  15. How do termites enrich the soil
    They bring food rich in nitrogen and phosphorus which gets combined into the soils
  16. What is a masotermes
    termite parasite

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