Study

Ecosystem

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  • What are abiotic factors?
    non-living things
  • What term is used for the organisms at the start of food chains and webs?
    producers
  • What is an apex predator?
    The final consumer at the top of the food chain
  • To create more plants, grasses such as wheat, barley and rice use the wind for
    pollination
  • Give 1 example of producer
    plants, grass, ...
  • What is the scientific name for the parts of a food chain?
    rungs
    stages
    trophic level
    steps
  • When yeast undergo anaerobic respiration/fermentation, what is the main product?
    glucose
    ethanol
    oxygen
    lactic acid
  • How many trophic levels are there in this food chain?
    5
  • What are biotic factors?
    living things
  • What is the gas given off here?
    oxygen
    hydrogen
    carbon dioxide
    carbon
  • Which of the following is a producer you would find in the ocean?
    shark
    palm tree
    algae
    plankton
  • The process by which toxins such as mercury enter the food web by building up in individual organisms,
    bioaccumulation
  • sunlight, air, rain, sun, water, ... are called
    non-living things / abiotic factors
  • Animals that are hunted and eaten are __________
    prey
  • In a food chain, snake is called ...
    consumer
  • In a food chain, mushroom is called ...
    decomposer
  • cell structures in the epidermis of tree leaves and needles that are involved in the exchange of carbon dioxide and water between plants and the atmosphere.
    chlorophyll
    guard cells
    mesophyll
    stomata
  • What is an ecosystem?
    all the living things and non-living things in a particular area
  • The producers are bacteria which feed directly on the chemicals released from the vents and use a variety of chemical reactions to make glucose.
    Chemiosmosis
  • In a food chain, grass is called ...
    producer
  • Which of the following have a symbiotic relationship?
    grass and eagles
    rhinoceros and lion
    shark and tuna
    clownfish and anemone
  • Bacteria, fungi, and worm belong to
    decomposers
  • give 5 examples of consumers
    ...
  • Which animal is the final consumer in this food chain?
    hawk
  • When humans undergo anaerobic respiration or fermentation, what is the main product?
    carbon dioxide
    lactic acid
    oxygen
    ethanol
  • human, plants, animals, ... are called
    living things or biotic factors.
  • What is the interrelationship of a species with all the biotic and abiotic factors affecting it
    niche
  • Which of the following is a PRODUCT of photosynthesis
    oxygen
    sun's energy
    water
    carbon dioxide
  • The organisms in an ecosystem are referred to as a ___________
    community