ch19 ecosystems

Question 1

habitat

Answer 1

-place where organisms live
-well-defined set of physical conditions

Question 2

levels of organisation in ecology

Answer 2

species
-lowest level of classification
-organisms that can interbreed and produce fertile offsprings

population
-group of organisms of same species living in same habitat

community
-all population of different species living in same habitat

ecosystem
-natural unit of living and non-living components
-interact to form a self-supporting and dynamic system

biome
-complex of communities occupying a large geographical area
-characterised by dominant plants (determined by climate conditions)

biosphere
-entire space on earth’s surface where organisms exist

Question 3

basic features of an ecosystem

Question 4

types of ecosystems

Question 5

component of ecosystems