What percent of energy from one trophic level moves up to the next trophic level?
10%
what are organisms that are producers?
plants
What is one example of a biotic factor?
Trees
What is the difference between food webs and food chains?
Food webs show all of the relationships between organisms while a food chain shows only one way that the energy in the ecosystem can go.
How many trophic levels have we learned about
4
What is one example of an abiotic factor?
Weather
What is a symbiotic relationship where one organism benefits and the other is not affected?
Commensalism
what is the relationship between primary producers and primary consumers
the primary consumers eat from the producers for food
What is the symbiotic relationship where one organism benefits to the others dismay?
Parisitism
list one animal that is on the top trophic level
Jaguar, Shark, Humans, Lions, Tiger, etc.
How do Keystone species have a relationship with other species at lower levels of the food chain?
Keystone species eat lower-level consumers to control their populations.
What is the difference between heterotrophs and autotrophs?