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  • non living parts of the environment
    abiotic factors
  • living thing that breaks down dead plants and animals
    decomposer
  • both species benefit from their relationship
    mutualism
  • an accurate count or all the people in the area
    population
  • wide volcano with lava that flows easily
    shield
  • one species benefits and the other does not get helped or hurt
    commensalism
  • study of interactions between organisms and the environment
    ecology
  • an organism that needs to eat other organisms for food
    consumer
  • a single individual living thing
    organism
  • man who created the idea of Continental Drift
    Alfred Wegner
  • first in the food chain after the sun
    producers
  • the actual organism preserved in amber, ice, tar
    preserved remains
  • diagram that shows how energy moves from one organism to another
    food chain
  • living or once living parts of the environment
    biotic factors
  • community and its nonliving surroundings
    ecosystem
  • massive irregular shaped rocks which form the land and Earth and bottom of oceans
    tectonic plates
  • law that says the youngest layer is on top and the age of rock increases with depth
    Law of superposition
  • type of volcano that is small, highly explosive
    cinder cone
  • minerals that fill the empty molds
    cast fossils
  • fossils that form when minerals replace all or part of an organism
    petrified fossils
  • animal that eats other animals
    carnivore
  • volcano type that is wide and lava flows easily
    shield
  • animal that is hunted and eaten by other animals
    prey
  • groups of organisms of one type, living in the same area
    population
  • a system of many food chains that interact with each other
    food web
  • populations that live together in a defined area
    community
  • fossils that are tracks and evidence of animal activity
    trace fossils
  • one species benefits and the other is harmed
    parasitism
  • the amount of people in a certain space or area
    population density
  • animal that only eats plants
    herbivore
  • animal that eats both plants and animals
    omnivore
  • a volcano type that is cone shaped, steep sided, thick lava, also called stratovolcano
    composite
  • organism that makes its own food
    producer
  • fossils that formed when hard parts of the organism are buried in sediment
    molds
  • part of the earth that contains all ecosystems
    biosphere
  • animal that hunts and eats other animals
    predator
  • populations that live together in a defined area
    community
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