Study

Ecosystem

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