Relationships
Trophic Levels
factors
100

What percent of energy from one trophic level moves up to the next trophic level?

10%

100

what are organisms that are producers?

plants

100

What is one example of a biotic factor?

Trees

200

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.

200

How many trophic levels have we learned about

4

200

What is one example of an abiotic factor?

Weather

300

What is a symbiotic relationship where one organism benefits and the other is not affected?

Commensalism

300

what is the relationship between primary producers and primary consumers

the primary consumers eat from the producers for food

400

What is the symbiotic relationship where one organism benefits to the others dismay?

Parisitism

400

list one animal that is on the top trophic level

Jaguar, Shark, Humans, Lions, Tiger, etc.

500

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.

500

What is the difference between heterotrophs and autotrophs?

Autotrophs make their own food own food while heterotrophs eat the food made by the autotrophs.