All energy starts from the______
Sun
What are the organisms called on the bottom of an energy pyramid?
primary producers
In a plant cell, where does the carbon atom come from?
The environment
series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose and give off oxygen.
photosynthesis
Movement of energy in an ecosystem flows ______
One direction
What are the organisms called on the second level of an energy pyramid?
primary consumers
Continuous cycle
what gives the plant the green pigment?
chlorophyll
organisms like plants or algae that create their own food from the sun or chemicals are called
primary producers
Down by 10%
water in a liquid or sold form that falls from the sky is called ______
Precipitation
photosynthesis is the process in which plants use energy from light to produce
food
What is the hawk considered as in this food web?
Tertiary Consumer
If the Primary Producer's energy percentage was 20,000J, what would the Tertiary Consumer's percentage be?
20%J
Three main parts of the water cycle
Precipitation, evaporation, condensation
what do plants need to produce sugars? (3 things)
light energy (sun) carbon dioxide and water
Why are food webs better than food chains?
False, they can thrive from both sources of food
The carbon cycle mainly stems from the ________
atomosphere
Plants produce what for the environment?
oxygen