definitions
What does biotic mean?
What is an organism and an example.
A single example of a species. Ex: human
What does abiotic mean?
Not living- all parts of an ecosystem that are NOT alive.
what is a population?
Many organisms of the same species.
What's a primary consumer?
Consumes food from other organisms.
What is ecology?
the study of all living things and their interactions with each other and their environment.
What is an ecosystem?
All living and non living factors in a place.
Secondary consumers eat what?
Primary consumers
What is a food chain? What does the arrow mean?
The path of energy from one organism to another. The arrow represents the direction of movement of energy.
What is a biosphere?
Where all life is contained
Tertiary consumers eat what?
secondary consumers
What is a food web and what's on the bottom of the food web energy pyramid?
Interacting food chains and producers
How many levels of organization are there?
5 : organism, population, community, ecosystem, biosphere.
Decomposers do what?
break down and consume dead and decaying matter.