Animals undergo an inactive stage during the winter known as
  • Adaptation
  • Hibernation
  • Aestivation
  • Acclimatisation
The basic unit of study in ecology is
  • Population
  • Species
  • Organism
  • Community
Xerophytes are mostly
  • Succulents
  • Water related
  • Mesophytes
  • None of the above
A large regional unit characterised by a major vegetation type and associated fauna found in a specific climate zone constitutes
  • Biological community
  • Ecosystem
  • Biome
  • Habitat
The plants of this group are adapted to live partly in water and partly above the substratum and free from water:
  • Xerophytes
  • Thallophytes
  • Hydrophytes
  • Helophytes
Broad-leaved oak forests are found in
  • Mediterranean evergreen forest
  • North coniferous forest
  • Tropical deciduous forest
  • Temperate deciduous forest
Organisms capable of maintaining constant body temperature are
  • Poikilothermal
  • Conformers
  • Stenothermal
  • Homeothermal
Excessive aerenchyma is a characteristic feature of
  • Mesophytes
  • Heliophytes
  • Hydrophytes
  • Xerophytes
Cold-blooded animals fall under the category of
  • Psychotherms
  • Ectotherms
  • Thermophiles
  • Endotherms
Biological organisation starts with
  • Cellular level
  • Atomic level
  • Submicroscopic molecular level
  • Organismic level
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