Study

Ecology

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  • How might this ecosystem be impacted if the owl dies?
    Mouse and frog populations would grow- decrease in grasshoppers, some decrease in grass...
  • In the following food chain, which organism would be considered a producer?
    grass
  • The following diagram shows all of the interconnected food chains/feeding relationships. This diagram is called a _________.
    Food web
  • Butterflies get nectar from flowers. The flower gets pollinated, which helps it reproduce. What type of symbiotic relationship is this?
    Mutualism
  • In the following food web, which animals eat the mouse?
    owl, hawk, fox
  • Identify a population in this picture
    tadpoles OR grasses OR flies
  • A brown headed cowbird lays it's eggs in another birds nest. The baby cowbird takes up precious resources from the bird who ends up raising it. What type of relationship is this?
    parasitism
  • The role an organism plays in an ecosystem is called it's ____.
    niche
  • Identify a community in this picture
    tadpoles, grasses, frogs, flies, etc.
  • A remora fish eats the scraps left behind by a shark. The remora gets food, the shark is unaffected. What type of symbiotic relationship is this?
    Commensalism
  • In the following food chain, which organism is a SECONDARY consumer?
    Mouse
  • What role do the mushrooms play in this food chain?
    decomposer- recycling nutrients
  • In this ecosystem, what population will have the FEWEST number of organisms?
    owls
  • How much of the energy from the grasshopper will the mouse actually consume? (What percent?)
    10%
  • What do the arrows indicate in food webs/food chains?
    direction of energy transfer