Living organisms such as humans and animals constitute which parts of the ecosystem?
  • Biotic
  • Living
  • Symbiotic
  • Abiotic
Which part of the Earth supports life?
  • Biosphere
  • Lithosphere
  • Ionosphere
  • Mesosphere
Non-living parts of the environment such as soil, water, and sunlight constitute which part of the ecosystem?
  • Abiotic
  • Biotic
  • Symbiotic
  • Non-Living
What do we call the natural environment in which an organism lives?
  • Habitat
  • Biodiversity
  • Survival ground
  • Bioexistence
Every year birds travel a long distance to get warm, then return when the weather changes. How is this process called?
  • Migration
  • Hibernation
  • Saturation
  • Expedition
A terrestrial ecosystem is located where?
  • On Land
  • In water
  • In Upper atmosphere
  • In Lower atmosphere
By what name is the variety of life present in an ecosystem known as?
  • Biodiversity
  • Habitat
  • Biofuel
  • Bioexistence
To which trophic level do the primary consumers belong?
  • 2nd Level
  • 1st Level
  • 3rd level
  • 4th Level
The relationship between humans, living organisms, and their physical environment is called?
  • Ecology
  • Biology
  • Ecosystem
  • Biosphere
What is the ultimate source of energy for every ecosystem?
  • Sun
  • Wind
  • Coal
  • Water
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