Study

Ecosystem

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