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Week 10 - Ecology (Grade 7-Science)

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  • If the organisms that are interacting are from the same species, we call ..........
    intraspecific interactions.
  • List 3 types of interactions
    Competition, Symbiosis, Predator Prey
  • any type of CLOSE INTERACTION between two different organisms.
    Symbiosis interaction
  • How many types of symbiotic interactions are there?
    3 types of symbiotic interactions
  • How many types of interactions are there?
    3 types of interactions
  • When interactions happen between organisms from different species, we call.....
    interspecific interactions.
  • What kind of pyramid shows the total dry mass of the organisms at each trophic level.
    Pyramid of Biomass
  • one organism catches and eats another organism.
    predator-prey interactions
  • symbiotic interaction where one organism lives on or in side another organism causing it harm.
    Parasitism
  • Who is the predator in these relationships? (Seal and shark)
    Shark
  • a symbiotic interaction where both organisms benefits from the relationship.
    Mutualism
  • A struggle between two organisms for the same resources within an environment.
    Competition
  • List 3 types of symbiotic interactions
    Commensalism, Mutualism, Parasitism
  • List 3 types of consumers (animals)
    herbivores, omnivores and carnivores
  • Occurs between different species.
    Interspecific
  • pyramid shows the amount of useful energy that enters each trophic level.
    An energy pyramid
  • What do animals compete for?
    Food• Water • Space to live • Mates
  • List 3 types of ecological pyramids
    pyramids of numbers, biomass, and energy
  • Who is the predator in these relationships? (Wolf and moose)
    Wolf
  • What kind of pyramid shows the number of organism in each trophic level.
    pyramid of number
  • an interaction between organisms which both need a resource that is in limited supply.
    Competition
  • Why are Predator-prey interactions important?
    keep animal populations at a healthy level.
  • What do plants compete for?
    Light • Water• Minerals• Root space
  • A sequence of transfers of matter and energy in the form of food from organism to organism
    food chain
  • Why is energy lost in each trophic level?
    Movement• Respiration• Heat loss• Growth• Excretion• Not all material consumed• Not all material digested
  • Occurs between individuals of the same species.
    Intraspecific
  • Any type of a close and long-term biological interaction between two different organisms.
    Symbiosis
  • List the names for the different trophic levels?
    Producer -> Primary consumer-> Secondary consumer->Tertiary consumer
  • An interaction where one animal catches and eats another animal.
    Predator-prey
  • What show which organisms eat other organisms
    Food chain
  • What do we call the levels in a food chain
    trophic level
  • Who is the predator in these relationships? (Snake and mouse)
    Snake
  • In ecology, the effect that a pair of organisms have on each other is called.....
    interaction
  • a symbiotic interaction where one organism benefits and the other is unaffected.
    Commensalism
  • A graphical representation showing the relationship between different organisms in an ecosystem.
    Ecological pyramids
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