Symbiosis

Question 1

Photosynthetic organelle (thought to have evolved from prokaryotes engulfed by early eukaryotic cells).

Answer 1

Chloroplast

Question 2

Coevolution

Answer 2

Gradual change in parallel of two symbiotic organisms which increases their level of adaptation to suit a dependent or independent relationship.

Question 3

Direct contact

Answer 3

Mode of transmission of parasites which occurs when an infected host physically encounters another host.

Question 4

Host

Answer 4

Partner that is harmed by loss of resources to a parasite is a symbiotic relationship.

Question 5

Interdépendance

Answer 5

Relationship that exists between the two partners involved in a mutualistic relationship.

Question 6

Organelle responsible for aerobic respiration (thought to have evolved from prokaryotes engulfed by early eukaryotic cells).

Answer 6

Mitochondrion

Question 7

Parasite

Answer 7

Partner that benefits by obtaining energy or nutrients from a host in a symbiotic relationship.

Question 8

Parasitism

Answer 8

Symbiotic relationship where one organism benefits at the expense of another organism.

Question 9

Form of parasite which on being released is able to survive adverse conditions for a long time before meeting a new host.

Answer 9

Resistant stage

Question 10

Symbiosis

Answer 10

Ecological relationship between organisms of two different species that live in direct contact with one another.

Question 11

Vector

Answer 11

Organism that carries a parasite from one host to another.