This term describes living or once-living things in an ecosystem
What are biotic factors?
Resources that can be replaced quickly by nature, such as sunlight and wind.
What are renewable resources?
The amount of matter in an object.
What is mass?
Plants use this energy source to perform photosynthesis.
What is sunlight?
A group of the same species living in the same area.
What is a population?
Sunlight, water, and rocks are examples of these factors.
What are abiotic factors?
Coal, oil, and natural gas are examples of this type of resource.
What are nonrenewable resources?
This property describes how much space an object takes up.
What is volume?
During photosynthesis, plants use sunlight to convert water and carbon dioxide into glucose and this gas.
What is oxygen?
Organisms that make their own food are called these.
What are producers?
A fallen log is considered this because it was once alive.
What is biotic?
Trees can be considered this type of resource when managed properly.
What is a renewable resource?
Density is calculated using these two measurements.
What are mass and volume?
Cellular respiration releases this gas after breaking down glucose.
What is carbon dioxide?
The feeding relationship among many organisms in an ecosystem is called this.
What is a food web?
Identify whether soil is primarily biotic or abiotic.
What is abiotic?
This fossil fuel is formed from ancient marine organisms over millions of years.
What is oil (petroleum)?
A substance with a density lower than water will do this in water.
What is float?
The sugar produced during photosynthesis.
What is glucose?
When two organisms compete for the same limited resource, this ecological interaction is occurring.
What is competition?
A coral reef contains fish, coral, sunlight, water, and sand. Name two biotic and two abiotic factors.
Biotic factors: fish and coral
Abiotic factors: sunlight and water/sand
Explain why fossil fuels are considered nonrenewable resources.
What is they take millions of years to form and are used faster than they can be replaced?
Two cubes have the same volume, but one has twice the mass. Which cube has the greater density?
What is the cube with twice the mass?
Explain how photosynthesis and cellular respiration are related.
What is the products of one process are the reactants of the other?
Only about 10% of energy is transferred from one trophic level to the next. If producers contain 10,000 calories of energy, approximately how many calories would be available to primary consumers?
What is 1,000 calories?