Chapter 3 Lesson 3 Flashcards
What is a Trophic Level?
The spot in a food chain which a species is present at
What is the definition of a Keystone Species?
A species that holds an ecosystem together and creates more diversity in a habitat
What is the difference between heterotrophs and autotrophs?
A heterotroph is one that consumes producers while autotrophs are the producers that create their own food and get eaten themselves
What is a Trophic Cascade?
A diagram showing direct and indirect relationships between species in an environment
What is a Herbivore?
A species that eats only plants
What is an Omnivore?
A species that eats a mixture of plants and animals
What is a Carnivore?
A species that only eats other animals
What is a Detritivore?
A species that eats only dead and organic material
What are the Trophic Levels?
- Producer
- Primary Consumer
- Secondary Consumer
- Tertiary Consumer
- Quaternary Consumer
What is the difference between food webs and trophic cascades?
Food webs show what gets consumed by what while trophic cascades show the indirect and direct relationships between species.
What does a dotted line represent in a trophic cascade?
An indirect relationship
What does a solid line represent in a trophic cascades?
A direct relationship
What is a producer?
A species that creates their own food
