interactions between organisms and their Environment

Question 1

define ecological niche

Answer 1

the role an organism fulfils in a ecosystem such as its habitat, nutrition and interactions with other organisms

Question 2

what are the different types of interaction between organisms

Answer 2

competition and symbiotic relationships

Question 3

define competition

Answer 3

organisms in a similar niche within an ecosystem compete with one another when they use the same resources that are is short supply

Question 4

define interspecific competition

Answer 4

refers to the competition for the same resource, such as a specific food source, between members of a different species

Question 5

define intraspecific competition

Answer 5

refers to the competition that occurs between the members of the same species

Question 6

define symbiotic relationships

Answer 6

when individuals from two different species share a close and long term biological relationship

Question 7

what is mutualism

Answer 7

a symbiotic relationship that occurs when both species benefit from living closely together and neither are harmed

Question 8

what is commensalism

Answer 8

a symbiotic relationship in which one organism benefits while the other organism is not affected

Question 9

what is parasitism

Answer 9

a symbiotic relationship in which one species benefits and the other is harmed, species that benefits is called the parasite and the species that is harmed is the host

Question 10

what is a predator-prey relationship

Answer 10

occurs when one organism known as the predator kills and eats another organism know as the prey

Question 11

example of interspecific competition and intraspecific competition

Answer 11

inter - kangaroo and sheep competing for grass and intra - male lions competing with one another to find a mate