Parisitic nutrition Flashcards
Endoparasites
Live in host
Ectoparasites
Live on surface of hosts
Primary host organism?
Where adult forms of the parasite are found
Secondary host
Larval/ intermediate form of parasite develop
Vectors
2° hosts which ACTIVELY and DIRECTLY transfer the parasite from one primary host to another primary host
Example of a disease carried by vectors
Malaria
Example of endoparasites
Beef tapeworm
Adaptations of tape worms 7
Hooks and suckers on scolex
No digestive system
Flat body
Thick cuticle covering proglottid
Secretion of mucus and enzyme inhibitors
Respire anarobically
Each proglottid being hermaphrodite
Hermaphrodite
containing both male and female reproductive organs
Adaptations of head lice
Strong claws to cling to hairs
Glue eggs to base of hairs
What type of parasites are headlice 2
Ectoderm and obligate
obligate parasite
must exploit suitable host to carry out full life processes, has no vectors or 2° hosts
Describe transmission of headlice
Direct head to head contact
Characteristics of Dodder plant 3
No leaves or roots (cant photo)
Suckers which penetrate xylem and phloem
Obligate
Characteristics of mistletoe
Semi parasitic
Has leaves which can photo
Roots penetrate xylem and phloem of host
what is each body segment of a tape worm called
Proglottid