Parasitism/competition/grazing

Question 1

Parasitism

Answer 1

Parasitism is a symbiotic relationship between organisms of different species, in which the host is a source of food and habitat for the parasite.

Question 2

Endoparasites

Answer 2

Live inside the body of their hosts, e.g. tapeworms, threadworms and flukes.

Question 3

Ectoparasites

Answer 3

Live and feed on the outside of the body of their hosts, e.g. Ticks, Lice or Fleas.

Question 4

Competition

Answer 4

Occurs between organisms in an ecosystem when their niches overlap, they both try to use the same resource and the resource is in short supply.

Question 5

Intraspecific Competition

Answer 5

The competition between individuals of the same species for the same limited recourse. (Intra) = within.

Question 6

Interspecific Competition

Answer 6

Occurs when two different species are competing for some of the same recognition within an ecosystem. (Inter) = between.

Question 7

Grazing

Answer 7

A method of feeding in which herbivores feed on grasses and plants.