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SNC2LW
Ecology Research Notes
Biology Unit
Label each level organization on the diagram below.
biosphere – thin layer of earth
and it’s atmosphere that supports
life (air, land, water).
community – many
interdependent species living in
the same area.
ecosystem – the interaction of
living and non-living things in an
area.
organism – a living individual
population – all the members of a
single species interbreeding &
competing for resources in the
same area.
An ecosystem consists of both biotic (living) and abiotic (non-living) things interacting together in a natural environment.
Sort the biotic and abiotic limiting factors to population size in a community.
Biotic (living)
Abiotic (non-living)
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Describe the 4 basic needs of all living organisms.
1.
2.
3.
4.
What are some things that you could do without and still
have all of your basic needs met?
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An adaptation is an inherited or learned characteristic that helps an organism survive and reproduce in its environment.
There are two different types of adaptations: behavioral and structural.
Sample adaptation by organisim to environment
How the adaptation enables the organisim to survive
Behavioral
Adaptations
Structural
Adaptations
Producers can make their own food and supply the matter
and energy they need for survival. Illustrate the food-making
process of photosynthesis carried out by producers.
Consumers eat producers and other consumers:
Herbivores – eats plants
Carnivores – eats meat
Omnivores – eats both meat and plants
A food web is a combination of many different food chains,
showing the interrelationships between and among many
different producers and consumers in an ecosystem.
Illustrate these interrelationships in a food web that includes
your food chain, above.
Energy flow is the movement of the sun’s energy from one
organism to another. llustrate the flow of energy in a food
chain from producer to primary consumer, to secondary
consumer, to tertiary consumer, to scavenger, to
decomposer.
An ecological food pyramid is a model that represents the
number of organisims consumed at each successive level of
the food chain. The size of each level indicates the number
of organisims at that level. Illustrate