Definitions
Producer
Organism that creates its own food and energy
Predation
Examples
cheetah hunting gazelle
bear hunting salmon
Identify the secondary consumer:
grass -> rabbit -> snake -> hawk
snake
Water
Abiotic factor
Non-living components in an ecosystem
Competition
When organisms fight for common resources in an ecosystem
Plants competing for water and light
lions and cheetahs hunting similar prey
What do the arrows represent in a food web/chain?
Flow of energy
Life must be able to obtain, use and store energy
Energy
Ecology
interactions of living organisms and their environment
One organisms benefits from an organism while the other organism is harmed in the process
Parasitism
How much energy is lost in a food chain?
10%
Living things are unicellular or multicellular
Cells
Photosynthesis
Process where plants turn light energy into chemical energy
Symbiotic relationship where both organisms benefit from the relationship
Mutualism
What would happen if the owl population died in this food chain?
plant -> insect -> mouse -> owl
The mouse population would increase
Life must be able to pass on genetic information (DNA) from generation to generation
Reproduction
Population
All the individuals of a species in a given area
Commensalism
One organism benefits while the other is neither harmed nor gains
barnacles on a whale
bird nesting in a tree
Label this food chain with the correct trophic levels Seeds -> Snail -> Bird -> Fox
Life must be able to react to signals from the external environment and maintain an internal balance
Response to Environment and maintain homeostasis