Matter and Energy in Ecosystems
Flow of Energy
Cycling of Matter
Mr. G's Fab 5
Random
100
This organisim is responsible for returning nitrogen back into the system.
Nitrogen-fixing bacteria
100
Consumers do this?
Consume food by eating other organisms.
100
This is anything that absorbs more carbon from the atmosphere than it releases – for example, plants, the ocean and soil.
Carbon Sink or Sink
100
What are the gas bubbles?
Oxygen
100
What organism takes and return Nitrogen back into the atmosphere?
Nitrogen-Fixing Bacteria
200
What is Photosynthesis?
Photosynthesis is a series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose, and give off oxygen.
200
Producers do this?
Produce their own food.
200
This chemical formula H2O is represented in this type of cycle diagram?
Water Cycle or Hydraulic Cycle
200
______ is a series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose, and give off oxygen.
Photosynthesis
200
This is the process during which water vapor changes into a liquid.
Condensation
300
This E-word flows in one direction unlike forms of matter?
Energy
300
If the first trophic level in an energy pyramid receives 1,000 units of energy from the Sun, how much energy is available for the second trophic level? Use the 10% Rule.
100 units of energy.
300
Water can also be stored deep underground in these?
Aquifers
300
What is the function of the bacteria shown in this Nitrogen Cycle model?
They return the nitrogen to the system.
300
What is this formula a symbol for? C6H12O6
Glucose
400
This is a simple model that depicts how energy flows from the sun to plants and then to a consumer?
Food Chain
400
What eats the walrus?
Humans or Killer Whale
400
This is the most abundant gas in Earth's atmosphere?
Nitrogen
400
This is a process by which glucose, a sugar, is broken down into smaller molecules.
Glycolysis
400
This is a great food web, but it is missing one big thing.
The Sun
500
Food chains and food webs show how energy moves in an ecosystem. However, they do not show how the amount of energy in an ecosystem changes. Scientist use a model called what?
Energy Pyramid
500
Which organism has the most energy available in the food web shown?
Phytoplankton
500
Identify at least two sinks in this diagram.
Fossil Fuels, Soil, Forest, or Ocean
500
What do Mitochondria do?
Helps make ATP through Cellular Respiration.
500
A detritivore is an animal that would most likely get its energy from where?
By feeding on dead organic material.