Study

Biodiversity and Evolution

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  • The area of Earth that contains all life is known as the
    Biosphere
  • By studying the fossil record, observing animals, and studying DNA, all life on Earth shares a ___
    Common Ancestor
  • Ecosystems are always changing, therefore ecosystems are considered to be _____
    dynamic
  • The recovery of an ecosystem where some life was destroyed, but the soil remains intact
    Secondary Succession
  • Scientist whose work in the Galapagos Islands lead to his theories on natural selection and evolution
    Charles Darwin
  • The ______ _____ provides evidence of how animal and plant life have changed over time.
    fossil record
  • When humans control the passing on of traits, like in crops or in breeding of dogs
    Artificial Selection
  • When an ecosystem has fully recovered from a disaster, it has reached its' ____
    Climax Community
  • Change in the inherited traits and adaptations of plant and animal life over time
    Evolution
  • True or False: More biodiversity equals greater resilience for ecosystems to recover
    True
  • ____ _________ events make room for new species and eventually an increase in biodiversity
    Mass extinction
  • Process in evolution through which population of living organism adapt and change
    Natural Selection
  • The ability for an ecosystem to recover after a disturbance
    Resilience
  • Any event, whether natural or man-made, that affects the biodiversity in an ecosystem
    Disturbance
  • The process for ecosystems to recover after a disturbance
    Ecological Succession
  • True or False: More species of plants and animals gives ecosystems greater strength to battle any disturbances
    True
  • Through _______ _____, scientists can determine how old the planet and landforms are
    radioactive dating
  • The recovery of an ecosystem after a disturbance has destroyed everything, including the soil
    Primary Succession
  • The first species to appear in an ecosystem after a disturbance
    Pioneer Species
  • the variety of plant and animal life present in an ecosystem
    Biodiversity