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Unit 7 Living Things

Living Things and the Environment

QuestionAnswer
What do organisms get from their environment? Energy from the sun Energy transferred between organisms Ecology
What is the study of how organisms relate with each other in their environment? Ecology
What do living things require? food, water & shelter
What are the two parts of an organism's habitat? biotic factors & abiotic factors
The parts of a habitat that are living or once living, interacting with an organism are called? biotic factors
The non-living part of an organism's habitat is called? abiotic factors
Give 2 examples of biotic factors. plants & bacteria
Give 2 examples of abiotic factors. sunlight & temperature
How is an ecosystem organized? Organisms, populations, communities, ecosystems
What is an organism? An individual animal that can mate and produce offspring
What is populations? One species living in a particular area.
What are communities? All different populations in an area.
What are ecosystems? all the living and non living populations
What are the 3 energy roles in an ecosystem? Producer, consumer & decomposer
What is the primary Producer of energy? Sunlight
Define consumer can't make own food, feeds off other organisms
Define herbivore only eats plants
Example of a herbivore deer, rabbits, caterpillars
Define carnivore only eats other animals
Example of a carnivore wolves, eagles, hawks
Define omnivore eats both plants and animals
Example of a carnivore crows, bears, humans
Define decomposer break down waste and dead organisms & returns the raw materials to the ecosystem
Example of decomposer mushrooms, bacteria and mold
How does energy move through an ecosystem? From one organism to another organism
Types of energy models Food chain & food web
Define food chain only one path of smaller organism being eaten by larger organism
Define food web many over lapping food chains. more realistic for an ecosystem
What shows the amount of energy moving from one level to the next in a food chain or web? energy pyramid
Where is the most energy found in a food pyramid? base
Created by: jakezm
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