Introduction of Parasitology
Jo Billion
viruses
·
People
15% Fungi on Earth
22 %
·
1 billion infected
Bacteria
Helminths
& w/ parasites
38 % Protozoa
25 %
y significant
Global Issue
1 .
Symbiosis
Types of Effects
close associations of Positives
-
·
+ /
organisms of different
·
- Negatives
Species
Participants Symbionts O (No Effect
-
-
·
Eugene
-
Odum
↳ studies Effect on population
, ACommensalism
8 + 10
·
1 wal
Non-obligatory
·
Host commensal
B) Mutualism
wood who protists
cannot
digest ,
·
+ /t
· 2 way
·
Obligatory
and protists can't ingest the wood
wio parasites
C) Exploitation
L -
.
2 Parasitoid .
1 Predator
kills 1 host kills
- -
many prey
K
.
3 Micropredator
Y
- 1 . Parasites
organism attacked 4
-
Seldom killed I host attacked
(Hematophagous
-
-
-
seldom killed
Parasite might harm
-
Jo Billion
viruses
·
People
15% Fungi on Earth
22 %
·
1 billion infected
Bacteria
Helminths
& w/ parasites
38 % Protozoa
25 %
y significant
Global Issue
1 .
Symbiosis
Types of Effects
close associations of Positives
-
·
+ /
organisms of different
·
- Negatives
Species
Participants Symbionts O (No Effect
-
-
·
Eugene
-
Odum
↳ studies Effect on population
, ACommensalism
8 + 10
·
1 wal
Non-obligatory
·
Host commensal
B) Mutualism
wood who protists
cannot
digest ,
·
+ /t
· 2 way
·
Obligatory
and protists can't ingest the wood
wio parasites
C) Exploitation
L -
.
2 Parasitoid .
1 Predator
kills 1 host kills
- -
many prey
K
.
3 Micropredator
Y
- 1 . Parasites
organism attacked 4
-
Seldom killed I host attacked
(Hematophagous
-
-
-
seldom killed
Parasite might harm
-
