Energy Roles & Trophic Levels
An organism that makes their own food by photosynthesis.
What is a Producer?
This form of water returns to Earth from clouds.
What is precipatation?
The smallest biological level — single living thing.
What is an Organism?
A series of events where one organism eats another to obtain energy and nutrients.
What is a Food Chain?
The name of an animal that eats both producers and consumers.
What is an Omnivore?
Another name for a primary consumer.
What is a Herbivore?
The process plants use to take in atmospheric CO2.
What is Photosysthesis?
The same species group in one area.
What is Population?
A network of many feeding relationships.
What is a Food Web?
The source of energy of most ecosystems.
What is sunlight?
An organism that chemically breaks down dead material.
What is a Decomposer?
The gas produced by photosynthesis and used in respiration.
What is CO2 or Carbon Dioxide?
All of the interacting populations in one place.
What is a Community?
The shape name for biomass or energy distribution.
What is a Pyramid?
These are considered nature's recyclers.
What are decomposers?
An animal that eats dead animals.
What is a Scavenger?
The bacteria process that converts N2 (free nitrogen) to usable forms.
What is Nitrogen Fixation?
A large area defined by climate and organisms.
What is a Biome?
The approximate percentage of energy lost at each trophic level.
What is 90%?
The factor most similar to birth rate in terms of its effect on population.
What is immigration?
A diagram showing how energy is distributed in trophic levels of ecosystems.
What is Energy Pyramid?
This gas increases by burning fossil fuels.
What is CO2 or Carbon Dioxide?
Earth's global sum of ecosystems.
What is a Biosphere?
If herbivores have 1,000 Kcal of energy then secondary consumers have ____Kcal of energy.
What is 100 Kcal of energy?
The reason for fewer organisms at top of the energy pyramid.
What is Energy Loss?