Inter-species Relationships

Question 1

Niche

Answer 1

The postions in which a organisam or species occupies in a ecosystem dew to limiting factors such as the food sources, feeding activities, spatial habitat, reproductive site, relationship and interactions with other species and abiotic factors.

Question 2

Fundamental Niche

Answer 2

ideal niche a species would occupy if there were no competitors, predators or parasites.

Question 3

Realised Niche

Answer 3

Results from an organism’s inability to exploit the resources of its habitat because of restrictions.

Question 4

competitive exclusion principle

Answer 4

states that no two species can occupy the same niche in the same environment for an extended period of time.

Question 5

Give an example of competitive exclusion

Answer 5

P. aurelia and P. caudatum