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What is the system hierarchy from braod to specific?
Kingdom, Phylum, Class, Order, Family , Genus, Species
Who developed the system of taxonomy?
What are some common characteristics of the phylum arthropoda?
segmented bodies, exoskeleton, paired jointed appendages
What are the five classes of Arthropoda?
Arachnida, Crustacea, Diplodia, Chilopida, Insecta(Heaxpoda)
What are the two main identifying characteristics of the class Arachnida?
- Chelicerae - fangs (one pair)
- Pedipals - sensory organs
- Mouthparts - iercing/sucking/chewing
What is the definition of metamorphosis?
The radical change in shape physiology and behavior that occurs when an animal matures?
What is ametamorphosis?
Very little change from immature to adult sstage
What are the four main orders in Aracnida?
- Araneida: Spiders
- Acari: Mites and Ticks
- Scorpionida: Scorpions
- Phalangida: Daddy Long Legs
What are the main identifying factors of the ORDER araneida?
- cephalothorax,abdomen - distinguishable
- 4 pairs of legs
- produce silk
What are some general characteristics on the ORDER Acari?
- Cephalothorax and abdomen indistinguishable
- body oval and compact
What are some characteristics of the ORDER Phalangida?
- Body oval and compact
- no distinction of body segments
- long slender legs
They eat plant juices and scavenge
What are some characteristics of the ORDER scoprionida?
- Pedipalps - large, claws for grasping
- Abdomen - broadly joined to cephalothorax
What makes up the class dilopoda?
What is the main identifying characteristics of dilopoda?
Two pairs lof legs per body segement
What makes up Chilopoda and what is the main identifying characteristic?
Centipedes, one pair of legs per body segment
What makes up the class Crustacea?
crabs, crawfish, pillbugs
What are two main characteristics of the class Crustacea?
two pair of antennae and ametamorphic
In the class insecta what are the main identifying chracteristics?
- Three body segments
- Appendages - antenaae, legs, wings
What are the main Insect ORDERS?
- Odonata: Dragonflies and damselflies
- Phasmida: Walking sticks
- Orthoptera: Grasshoppers, Crickets
- Mantodea: Preying Mantis
- Blattaria: Cockroaches
- Isoptera: Termites
What are the main differences between termites and ants?
- Termites; winged or wingless, antennae bead-like, thorax and abdomen broadly joined
- Ants; winged or wingless, antennae elbowed, noticable restriction between body segements
An association between two organisms in which the parasite benefits while the host suffers some degree of harm
What is an ectoparasite?
live on outer suface of host, infestation
Whatis an endoparasite?
Lives inside the host, infection
What is a obligate parasite?
A parasite unable to live without the host
WHat is a faculTative parasite?
A parasite that can live and reproduce without a hosT
Define a disease.
A condition of living organism that impairs normal function
What is Acariasis?
invasion by mites
What is myiasis?
Invasion by fly maggots
What is a hematophagus?
What is termed Urtication?
venom secreting hairs
What is an antigen?
substance capable of elicting the formation of antibodies
What are allergens?
An antigen that has the potential of evoking a hypersensitive reaction in certain individuals
What are protozoa?
single celled organism with a well defined nucleus
What are some different groups of etiologial agent, or organisms that cause diseases that are transmitted by insects?
Fungi, Bacteria, Metazoa, Rickettsia
What is Rickettsia?
genus of bacteria, obligate intercellualr parasite
Why is it called an arbovirus?
What is the difference between mechanical disease transmission and biological?
In mechanical transmission the virus/disease cannot replicate inside the host, however in biological transmission it can.
What is epidemiology?
branch of medicine that deals with epidemic outbreaks
What is an Enzootic disease?
Disease in animals at a more or less constant level
What is an Epizootic disease?
Disease at unusually high levels in animals
What is an endemic disease?
Disease in humans that more or less constant levels
What is an epidemic disease?
Disease at unusually high levels in humans
What is a pandemic disease?
Diseases that occur across countries or even continents
What is a 1-factor disease?
Generally genetic disorders, involves noly the host
What is a 2-factor disease?
Host and pathogen
What is a 3-factor disease?
Host, pathogen, vector
What is a 4-factor disease?
Host A, Host B, vector, pathogen
What is the scientific name of the black widow?
What are some general characteristics of the black widow?
glossy black, covered in dense short hair, on ventral ide- usually red hourglass shape
What is the scientific name of the brown recluse?
What is the difference between black widow and brown recluse toxin?
- Black widow- neurotoxin
- Brown recluse - necrotic
What is the tilson?
End stinger on a scorpion
What is a suseptible host for fleas?
What is a resevoir host for fleas?
rats - think plauge
What are some main identification factors in fleas?
Laterally compressed, wingless, legs adapted for jumping
What do fleas eat?
Do fleas have complete metamorphosis?
- egg, larvae, pupae, adult
When did the black death occur?
When did the great plague of england occur?
When did the plague become prevalent in the US
What is the pathogen of the plague called?
What are the three forms of plague?
- Bubonic plague- swelling filled with bacteria
- pnemonic plague - infection localized in lungs
- septicemic plague -massive blood posioning
What is the pathogen of typhus?
What is the scientific name of dog tapeworms?