The number of basic needs of living things
What is four?
When two species live closely together in a relationship that lasts over time
What is symbiosis?
When natural resources are being renewed at least as quickly as they are being used, and the waste produced is being properly disposed of.
What is sustainability?
A simple model that shows how energy stored in food passes from one organism to another
What is a food chain?
Photosynthesis, forest fires, and respiration are all components of this cycle
What is the Carbon cycle
A Cheeseburger
What is food?
A relationship where both organisms benefit
What is mutualism?
A calculation of the total area of land, water, and resources needed to supply all of the materials and energy you use.
What is your ecological footprint?
Energy flow in ALL ecosystems starts with ____?
What is the sun?
The two components of the water cycle that move water up from the Earth and into the atmosphere
What are evaporation and transpiration?
This drink can be considered the "blood of life"
What is water?
A relationship where one benefits and the other is harmed
What is parasitism?
Avoiding the purchase of individually plastic wrapped items and unnecessary items.
What is reducing?
A network of connected food chains.
What is a food web?
The two components of the water cycle that deals with water not in the atmosphere
What is ground water and run-off?
Certain birds create nests for their ______
What is a suitable habitat?
A relationship where one benefits and the other appears to neither gain or lose anything
What is commensalism?
The "R" represented by composting
What is recycling?
Always forms the base of any ecological pyramid
What are producers?
Part of the water cycle where water that was taken in through a plants roots is evaporated from the plants leaves
What is transpiration?
Fish use gills to perform ____
EXAMPLE: Barnacles and Whales
What is commensalism?
The "R" represented by storing leftovers in empty margarine / ice cream containers.
What is reuse?
As you move up an ecological pyramid, the number of organisms at each level _____?
What is decreases?
The two components of the water cycle that are involved in returning water to Earth
What is condensation and precipitation?