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Ecosystems

Vocabulary

TermDefinition
Abiotic Non-living; examples of abiotic factors include soil, water, temperature, rocks, etc.
Adaptations: Characteristics that help an organism survive in a particular ecosystem (ex. thorns, camouflage)
Bacteria single celled organisms; decomposers
Biome: A large area where plants and animals live
Carnivores: animals that eat only other animals
Consumers animals, must eat other organisms to survive
Decomposers: organisms that break down dead and dying materials into useful material (examples include bacteria, fungi, and earthworms)
Ecosystem: everything living and non-living in an area
Food Chain shows a linear progression of “who eats whom,” the flow of nutrients and energy through an ecosystem; arrows point from what is eaten to the eater (ex. carrot -> bunny)
Food Web similar to a food chain, but more complex; branches show all of the nutritional relationships for an entire ecosystem; can demonstrate the balance of an ecosystem
Herbivores animals that eat only plants
Hibernation: A very deep sleep. The animal’s body temperature drops, and its heartbeat and breathing slows down
Omnivores animals that eat both plants and other animals (ex. humans, bears)
Organism Any living thing
Photosynthesis process that plants use to produce their own food (sugar); occurs in the chloroplasts
Predator animals that hunt, kill and eat other animals (ex. lion)
Prey animals that are hunted and killed for food (ex. rabbits)
Producers organisms that make their own “food” via photosynthesis
Scavengers animals that eat dead organisms (ex. vultures, millipedes, flies)
Created by: Sahana2606
 

 



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