easy
what is often called an ecological pyramid?
food pyramid
Where on the food pyramid are Carnivores located?
above the primary consumer
how do plants perform photosynthesis?
plants turn sunlight into energy
what organisms cannot make their food?
heterotrophs
How many levels are on a food pyramid?
4
If the primary producers have 10,000 kcal how much do the secondary consumers have?
1,000
What do herbivores eat?
plants
what are trophic levels?
the levels on a food pyramid
Can more than 50% of energy be transferred?
no
What do you call a group of organisms where there are several interrelated food chains?
food web
All living organisms are made up of ____.
energy
The direction of the flow of energy in a food web is represented by?
the flow of energy
what is the first thing on the food pyramid?
producers
What are the equation for the percent of efficiency?
small #/bigger # x 100
can photosynthesis happen year-round?
no