|
|
|
3
|
basic unit of an ecological hierarchy
|
|
5
|
variability among living organisms from all sources including
|
|
6
|
a group of individuals of the same species inhabiting a given geographical area
|
|
7
|
organisms that can manufacture their own food
|
|
8
|
natural surroundings and external conditions of an organism
|
|
9
|
a hierarchical series of organisms, each dependent on the next, as a source of food
|
|
10
|
organisms that obtain nutrients by breaking down remains of dead plants and animals
|
|
11
|
organisms that cannot manufacture their own food
|
|
12
|
sum total of all ecosystems and their interactions
|
|
14
|
interconnected network of food chains
|
|
|
|
|
|
|
1
|
organisms that feed on both plants and animals
|
|
2
|
all individuals of different species living within a certain geographical area
|
|
4
|
layer, present in the stratosphere, which absorbs ultraviolet radiations
|
|
5
|
increase in the concentration of pollutants with each step up in the food chain
|
|
13
|
both living and non-living components of an area
|
|
|
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