an organism that is able to produce its own food
What is PRODUCER or PLANT?
an organism that gets matter and energy by eating other organisms as food
What is CONSUMER?
an individual path in a food web
What is FOOD CHAIN?
Reason why Earth is a closed system
What is NO MATTER ENTERS OR LEAVES EARTH?
replanting forests that have been cut down
What is REFORESTATION?
two sources where producers get matter
What is AIR and WATER?
a molecules used to store energy
What is CARBOHYDRATE?
Percentage of energy typically transferred between trophic pyramid levels
What is 10% ?
how carbon atoms are released into the non-living parts of an ecosytem
What is THROUGH RESPIRATION?
how most of the human population's energy needs are met
What is BURNING FOSSIL FUELS?
Two things that all organisms need to survive, grow and reproduce.
What is MATTER & ENERGY?
a molecule that builds muscle tissue
What is PROTEIN?
type of effect that an increase in rabbits causing decrease in plants that they eat
What is DIRECT EFFECT?
how consumers get carbon atoms
What is BY EATING OTHER LIVING THINGS?
the percent of Nitrogen in our atmosphere
What is 78% ?
List the reactants in photosynthesis
CARBON DIOXIDE+WATER +ENERGY
cell structures that release energy by breaking down sugar molecules
What is MITOCHONDRIA?
Trophic Level that has the most energy
What is FIRST STAGE CONSUMER?
List a part of the water cycle
PRECIPITATION- water falls from cloud
EVAPORATION & CELLULAR RESPIRATION- water vapor rises and cools
TRANSPIRATION- water vapor leaves plant and goes to atmosphere
reason why farmers need to use fertilizer
What is NITROGEN IS A LIMITED RESOURCE IN SOME ECOSYSTEMS?
List the products of photosynthesis
SUGAR + OXYGEN
List sources of ENERGY for both photosynthesis and cellular respiration
PHOTOSYNTHESIS SOURCE IS SUN
CELLULAR RESPIRATION SOURCE IS SUGAR
List 2 out of 3 reasons why all of one prey's matter isn't transferred to the predator that consumes it
What is 1. MATTER BECOMES WASTE. 2. MATTER LOST AS CARBON DIOXIDE. 3. MATTER IS LOST TO THE ENVIRONMENT
bacteria carries out chemical reactions to create ammonia
What is NITROGEN FIXATION?
List which variables are on the X and Y axis on a graph?
What is
X- independent variable
and Y is dependent variable