Absence of adjuvants

a. Low levels of costimulation

b. Presentation of antigen by immature

TLS Online TPP Program

#Id: 9122

#Unit 10. Ecological Principles

One organism feeds on another but does not normally kill it. 

TLS Online TPP Program

#Id: 9123

#Unit 10. Ecological Principles

Infection resistance - The ability of a host to prevent an infection from occurring. 

Infection tolerance - The ability of a host to minimize the harm once an infection has occurred. 

Parasite load - The number of parasites of a given species that an individual host can harbor.

Vertical transmission - When a parasite is transmitted from a parent to its offspring.

TLS Online TPP Program

#Id: 9125

#Unit 10. Ecological Principles

Parasites can be classified

Microparasites

Macroparasites

Ectoparasites

Endoparasites

TLS Online TPP Program

#Id: 9126

#Unit 10. Ecological Principles

Ectoparasite A parasite that lives on the outside of an organism.

Endoparasite A parasite that lives inside an organism.

TLS Online TPP Program

#Id: 9127

#Unit 10. Ecological Principles

Holoparasites lack chlorophyll and are totally dependent on the host plant for their water and nutrients - Rafflesia arnoldii flowering plant

TLS Online TPP Program

#Id: 9128

#Unit 10. Ecological Principles

The host has a strong immunological response to microparasitic infections.