Study

Changes in Ecosystems Review

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  • Which living thing would compete with this deer for food?
    other deer
    owls
    plants
    bats
  • Why do some animals migrate?
    to avoid cold weather
    to find their families
    to make a change
    to escape prey
  • All fossils
    are found in cold places
    are the remains of living things
    are living things
    were created millions of years ago
  • How do animals use camouflage to survive?
    by giving warning calls
    by standing out fro their environments
    by blending in with their environments
    by imitating other animals
  • What can help scientists learn more about an animal that lived in the past
    fossils
    drawings
    minerals
    rocks
  • Which word describes fossils found in deeper layers of rock?
    younger
    smaller
    larger
    older
  • People can do all of the following to help the environment except
    pollute
    reduce
    recycle
    reuse
  • Which could you compare to learn more about living things of the past?
    hummingbirds and eagle
    elephant and woolly mammoth
    frog and lizard
    wolf and tiger
  • What could cause an organism to become extinct?
    loss of predators
    increase in habitat size
    loss of habitat
    increase in resources
  • Most producers get their energy from
    rocks
    sunlight
    predators
    consumers
  • All of these are natural disasters except
    wildfires
    mold
    droughts
    floods
  • How can a flood change and environment?
    It can cause plants to grow quickly
    It can cause wildfires
    It can wash away plants and soil
    It can dry out rivers and lakes
  • What adaptation will help this cactus survive in the desert ecosystem?
    small flowers
    a waxy stem
    large leaves
    a waxy stem
  • What could happen if prairie dogs were removed from a grassland ecosystem?
    mice would have more habitats
    coyotes would have more food
    grasses would become extinct
    eagles would have more food
  • What causes droughts
    diseases
    heavy rains and other storms
    no rain for a long time
    wildfires
  • How do a porcupine's quills help it survive?
    The quills keep the porcupine warm
    The quills help the porcupine catch food
    The quills allow the porcupine to get oxygen
    The quills protect the porcupine from predators
  • Predators are animals that
    hunt other animals for food
    are hunted by other animals for food
    are plant eaters
    exist only as fossils
  • If this fossil was found at Duryu Park it would infer that.....
    Duryu Park was once under water
    fossils of fish are different from fish that live today
    Fossils are difficult to find
    This fossil was lost by someone