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Eco Pp
Eco Pp
Eco Pp
Eco Pp
Eco Pp
Eco Pp
Eco Pp
Eco Pp
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Eco Pp

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Transcript

  • 1. Ecosystems
    large
    Small to
  • 2. Biotic: living things
    Ex- tiger, venus fly trap, bacteria, fungi, ants
    Abiotic: nonliving things
    Ex- weather, soil, rock, sunlight, wind
    Temperature affects the density of substances, and changes in the density of water means more or less resistance for animals who are travelling in the freshwater environment.
    Biotic vs. Abiotic
  • 3. Organism-
    Species - a class of plants or animals whose members have the same main characteristics and are able to breed with each other
    The organism panda, are an endangered species.
    Organism
    a living thing that has (or can develop) the ability to act or function independently
  • 4. Population- group of individuals in the same area, species and time
    Diversity within a population- Pacific Ocean
    A population can become more diverse by immigration or emigration.
    A population can become less diverse by selective breeding or fragmentation .
    Diversity within a population is good because a change in environment cannot kill everyone or a disease won’t kill species at once.
    Population
  • 5. Community
    Community- a group of interacting organisms sharing an environment
    Biodiversity- variety of all forms of life, from genes to species, through to the broad scale of ecosystems
    Communities with more biodiversity can signify that the area is simply easier to live in. One thing that can cause a high biodiversity is low pollution levels.
    A community consists of the abiotic environment and the populations of living organisms that reside in that environment.
  • 6. Ecosystem- groups of population including nonliving
    A community doesn’t include nonliving like an ecosystem does.
    A ecosystem can fragment by less random mating which causes more inbreeding, highways or weather change.
    Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play.
    Ecosystem
  • 7. Biosphere-part of planet where life can live.
    Relatively thin life-supporting stratum of the earth's surface, extending from a few miles into the atmosphere to the deep-sea vents of the oceans. The biosphere is a global ecosystem that can be broken down into regional or local ecosystems, or biomes.
    3% of water is fresh
    97% of water is salt
    30% land
    Biosphere
  • 8. Evolution
    Evolution-change in the genetic material of a population of organisms through successive generations
    Natural selection- process by which heritable traits that make it more likely for an organism to survive and successfully reproduce
    Selective breeding- process of breeding plants and animals for particular genetic traits
    How an organism envolved

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