Key Terms

Question 1

species

Answer 1

A group of organisms of a single species, interbreeding and occupying a particular habitat

Question 2

community

Answer 2

Interacting populations of two or more species in the same habitat at the same time

Question 3

ecosystem

Answer 3

A balanced biological system where all the organisms (community) and the non living components interact in a particular location. There is energy flow and nutrient cycling within the ecosystem

Question 4

habitat

Answer 4

The place where an organism lives

Question 5

niche

Answer 5

The role and position of an organism within its environment, including all the interaction with the biotic and abiotic factors of it’s environment

Question 6

ecology

Answer 6

The study of the relationships between living organisms (including humans) and there physical environment

Question 7

environment

Answer 7

The factors in a habitat which affect an organism - both living & non living

Question 8

biotic

Answer 8

A part of the environment of an organism that is living

Question 9

abiotic

Answer 9

A part of the environment of an organism that is non-living

Question 10

limiting factors

Answer 10

Aspects of the environment which restrict the population size - cause environmental resistance

Question 11

population

Answer 11

a group of organisms which share a large number of common characteristics and which can interbreed to produce fertile offspring