Ecology Exam 3-Ch. 15

Question 1

Pathogen

Answer 1

Type of parasite that causes infectious disease

Question 2

Ectoparasites

Answer 2

Live on the outside of an organism

Question 3

Endoparasite

Answer 3

Live inside organisms

Question 4

Prions

Answer 4

Begin as beneficial brain proteins can become pathogenic

Question 5

Emerging infectious disease

Answer 5

A newly discovered or rare disease that increases in abundance

Question 6

Horizontal transmission

Answer 6

When a parasite moves between individuals other than parents and offspring

Question 7

Vertical transmission

Answer 7

When a parasite is transmitted from a parent to its offspring

Question 8

Reservoir species

Answer 8

Species that can carry a parasite but do not succumb to disease

Question 9

Vector

Answer 9

An organism that disperses a parasite between hosts

Question 10

Infection resistance

Answer 10

Ability of host to prevent infection from occurring

Question 11

Coevolution

Answer 11

When two or more species continue to evolve in response to each other’s evolution

Question 12

Parasite

Answer 12

Lives in or on another organism, consumes host resources, causes harm to host