11 terms

Ecosystem Vocabulary #2

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Population
1. a group of organisms of the same species living in the same place
Community
all of the populations that live in the same area
Habitat
the physical space occupied by a population
Niche
the habitat and lifestyle of a population
Limiting factor
a resource or environmental factor that limits the size of a population
Predator
an organism that eats other organisms
Prey
an organism that is eaten by another organism
Parasite
an organism that must live on or inside another organism in order to get energy
Host
an organism that is infected by a parasite
Food chain
the path of energy as it flows from one organism to the next
Food web
1. a diagram of several connected food chains