Study

Ecology

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  • In this ecosystem, what population will have the FEWEST number of organisms?
    owls
  • Identify a population in this picture
    tadpoles OR grasses OR flies
  • 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
  • How much of the energy from the grasshopper will the mouse actually consume? (What percent?)
    10%
  • In the following food web, which animals eat the mouse?
    owl, hawk, fox
  • The role an organism plays in an ecosystem is called it's ____.
    niche
  • What role do the mushrooms play in this food chain?
    decomposer- recycling nutrients
  • What do the arrows indicate in food webs/food chains?
    direction of energy transfer
  • 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
  • Butterflies get nectar from flowers. The flower gets pollinated, which helps it reproduce. What type of symbiotic relationship is this?
    Mutualism
  • The following diagram shows all of the interconnected food chains/feeding relationships. This diagram is called a _________.
    Food web
  • 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