Vocab
Living things that make their own food
producer or autotroph
What is the ultimate source of energy?
The sun
Rain, snow, sleet, and hail are
precipitation
What organism changes Nitrogen gas into Nitrates and Ammonium?
Bacteria
The organelle where photosynthesis occurs is the
Chloroplast
Living things that eat other living things
consumer
In an energy pyramid, where is the least amount of energy located?
Top
When precipitation falls to the ground and the water goes into rivers, lakes, and oceans it is called
Runoff
What process changes the nitrogen gas intro nitrates?
Fixation
What three things are needed for a plant to start photosynthesis?
water, carbon dioxide, sunlight
Organisms that eat both plants and animals
omnivore
What does a food chain start with
Producer
When water is absorbed into the soil and goes into ground water it is called
Infiltration
What percent of the air is Nitrogen?
78%
The organelle where respiration occurs is the
mitochondria
A pathway of energy and materials through a community
food chain
What percent of energy is passed to each level?
10%
Where is Nitrogen found inside living things?
proteins or DNA
Write the equation for photosynthesis using WORDS
Water + Carbon Dioxide = Glucose + Oxygen
A diagram that shows energy loss in a food chain
energy pyramid
An organism that eats all dead matter
decomposer
Evaporation in plants is called
Transpiration
The process where bacteria change nitrates back to nitrogen gas is called
Denitrification
Write the equation for respiration using SYMBOLS.
6O2 + C6H12O6 = 6CO2 + 6H2O