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Unit 4 Ecosystems

Ecosystems and Food Webs

QuestionAnswer
a struggle for a limited amount of resources competition
mix of all living and non-living things that exist in an area ecosystem
area where an organism lives and gets what it needs habitat
the role a species has in an ecosystem niche
group of organisms with similar traits that can successfully reproduce with each other species
organisms that are the same species and live in the same area population
a group of populations that interact with one another in a particular area community
a large region on earth that has certain types of organisms and a certain climate biome
the population of an area is larger than the food supply for that population overpopulation
a series of changes in an ecosystem after it has been disturbed succession
the number of different species in an ecosystem biodiversity
organisms that make their own food producers
organisms that must eat other organisms for energy consumers
organisms that break down dead organisms or waste from organisms and return nutrients to the soil decomposers
animal that eats only plants herbivore
animal that eats only animals carnivore
animal that eats plants and animals omnivore
organism that hunts other organisms for food predator
organism that is hunted as food prey
organism that gets food from dead animals scavenger
describes how energy is passed from one organism to another food chain
shows the many food chains in an ecosystem food web
anything that can affect an organism environment
Created by: bluebonnet613