Study

OST: Life Science Review

  •   0%
  •  0     0     0

  • How many prey does the fox have?
    3
    4
    2
    1
  • Hermit carbs live in snail shells that the snail has left behind. The crab gets a home and the snail is unaffected.
    Commensalism
    Predator-Prey
    Parasitism
    Mutualism
  • Ostriches and gazelles eat next to each other. They both watch out for danger.
    Parasitism
    Commensalism
    Mutualism
    Predator-Prey
  • A relationship between two organisms where both organisms benefit.
    commensalism
    mutualism
    parasitism
    competition
  • An organism that causes ecological or economic harm in a new environment where it is not native.
    Threatened Species
    Extinct Species
    Invasive Species
    Endangered Species
  • A relationship between two organisms where one is helped and the other is unaffected.
    parasitism
    commensalism
    mutualism
    competition
  • In a food web or food chain the arrow always points toward?
    The eater (predator)
    The eaten (prey)
  • The bacteria in our large intestine break down food that we consider waste. During this process, vitamins are released that we absorb into our bloodstream. This is an example of which symbiotic relationship?
    Parasitism
    Predator-Prey
    Mutualism
    Commensalism
  • An organism that eats only meat.
    omnivore
    decomposer
    carnivore
    herbivore
  • A relationship between two organisms where one is helped and the other is harmed.
    mutualism
    parasitism
    competition
    commensalism
  • What do the arrows in a food chain show?
    What eats what
    How many organisms are present
    The transfer of energy
  • An organism that eats only plants.
    omnivore
    herbivore
    decomposer
    carnivore
  • An organism that must eat to obtain energy is known as _________.
    Consumer
    Producer
  • Decomposers are important in the food chain because they ___________.
    are microscopic and other organisms can't consume them.
    stop the flow of energy from one organism to another.
    break down dead organisms & recycle nutrients into the soil.
    produce their own food using light from the sun.
  • What is likely to happen to the population of foxes if the population of rabbits decreases?
    It will increase.
    It will stay the same.
    It will decrease.
  • Energy from the plantain is transferred to the frog through which organsim?
    ladybird
    butterfly
    grasshopper
    greenfly
  • Organism that is hunted and killed for food and nutrients
    Predator
    Prey
    Producer
    Decomposer
  • Which organism receives the least amount of energy from the producers?
    Hawk
    Mouse
    Grasshopper
    Rabbit
  • What is likely to happen to the population of thrushes if the population of slugs increases?
    It will decrease.
    It will increase.
    It will stay the same.
  • Which of the following in NOT an example of a symbiotic relationship?
    A tapeworm living in a cow's intestines.
    Bees eating nectar and pollinating flowers
    A mother bear caring for her cub.
    A bird building a nest in a tree.
  • Which organism in the food web is an omnivore?
    frogsalamander
    trout
    snake
  • Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
    Mutualism
    Commensalism
    Parasitism
    Predator-Prey
  • Plants are producers because they make their own food. What is the prcocess plants use to make their own food?
    transpiration
    symbiosis
    respiration
    photosynthesis
  • The harmed species in a parasitic relationship is called:
    consumer
    parasite
    decomposer
    host
  • An organism that eats only meat.
    omnivore
    decomposer
    herbivore
    carnivore