Textbook: Chapter 16 - Parasitism and Mutualism

Question 1

Disease

Answer 1

Any deviation from a normal state of health

Question 2

Definitive host

Answer 2

Host in which a parasite becomes an adult and reaches maturity

Question 3

Ectoparasite

Answer 3

Parasite, such as a flea, that lives in the fur, feathers or skin of the host

Question 4

Elaiosome

Answer 4

Shiny, oil-containing, ant-attracting tissue on the seed coats of many plants

Question 5

Infection

Answer 5

Diseased conditino arising when pathogenci microorganisms enter a body, become established and multiply

Question 6

Intermediate host

Answer 6

Host that harbors a developmental phase of a parasite; the infective stage or stages can develop only when the parasite is independent of its definitive host; compare definitive hsot

Question 7

Myrmecochores

Answer 7

Plants that possess ant-attracting substances on their seed coats

Question 8

Microparasite

Answer 8

Any of the viruses, bacteria and protozoans, characterized by small size, short generation time and rapid multiplication

Question 9

Symbiosis

Answer 9

Situation in which two dissimilar organisms live together in close association