The Genesis of Germs Chapter 4 Flashcards
Did British scientists freely accept the findings of Leeuwenhoek?
no
An almost universal characteristic of protozoans is
locomotion
The protozoan Giardia has been know to do:
infect man; infect wildlife; possibly have infected Leeuwenhock, and exists in clear, running springs
Free-living protozoa are found:
in fresh water, in salt water, in the soil, and in decaying organic matter everywhere
The cause of African trypanosomiasis is:
Trypanosoma brucei
Schizogony is reproduction by totally asexual means and produces new cells called ___.
merozoites
The protozoan Euglena ingests food through its:
gullet
Many protozoa have complex internal structures that function like the organs of what?
complex animals
What is the only visible internal structure of an amoeba?
nucleus
Are most protozoa larger or smaller than bacteria?
larger
The disease giardiasis can be avoided by:
no drinking from streams, using iodine tablets when camping, city planners ensuring the water supply is safe
Malaria means:
“bad air”
Are the parasitic forms of protozoans naturally more common in distribution than the free-living organisms?
no
These organisms are characterized by hundreds of short, hair-like processes on their body.
Ciliates
Is Leeuwenhoek known as the “Father of Biology”?
no