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Disease Ecology

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

This type of pathogen typically resides in one or more nonhuman vertebrates from which is transmitted to a human

a)

animal borne

b)

zootrophic

c)

zoonotic

d)

zoophilic

2.

Vertebrates that maintain and amplify the pathogen in nature and thus become the source of infection when it spreads to other hosts are known as...

a)

carriers

b)

reservoirs

c)

vectors

d)

supporters

3.

A type of pathogen that moves from one host to another during the bite of a blood feeding arthropod.

a)

vector borne disease

b)

carrier transmitted disease

c)

zoontinic disease

d)

pathogenic disease

4.

An infectious diseases that appear suddenly or increase dramatically in incidence is known as a/an...

a)

unknown disease

b)

emergent disease

c)

divergent disease

d)

convergent disease

5.

Term used for when a virus shifts it's host range, like AIDS going from apes to humans.

a)

resinous jumping

b)

people jumping

c)

host jumping

d)

vector jumping

6.

Disease is an example of what type of limiting factor?

a)

density independent

b)

population enhancer

c)

density dependent

d)

population exploder

7.

Almost 70% of all emergent disease can be described as.

a)

zoonotic

b)

deadly

c)

entropic

d)

topographic

8.

Disease is an important factor in all populations because they help...

a)

help control population size

b)

help control population density

c)

slow population growth

d)

all of the above

9.

How can global warming effect pathogen distribution?

a)

causes organisms to move to due to environmental changes in temperature

b)

all viruses fair better in warmer weather

c)

the hot air causes disease to rise and spread around the globe

d)

since the cold controls bacterial growth warm weather removes their carrying capacities

10.

STDs can limit population sizes by...

a)

causing a number of affected organisms to die off

b)

causing infertility

c)

causing sterility

d)

all of the above