The tail of fish is important to control its

  • movement
  • direction
  • speed
  • sight

Underneath hair of polar bear, the color of his skin is

  • pink
  • black
  • brown
  • white

Bears have sharp teeth to kill

  • birds
  • penguins
  • walrus
  • seals

Deciduous trees are the trees that shed

  • excess water
  • stems
  • roots
  • leaves

The energy at each trophic level is transformed to the next level is only

  • 0.005
  • 0.001
  • 0.011
  • 0.1

Small mammals like mice, rats and rabbits come out in night to avoid

  • fast wind
  • predators
  • sunlight
  • fire in the grasslands

To adopt the natural ways for survival, is known as

  • adaptation
  • survivalism
  • adoptation
  • survival

Most of the flowers open in daylight so that

  • insects can pollinate them
  • they could absorb sunlight
  • they could transpire quickly
  • wind could pollinate them

Polar animals live in

  • forests
  • caves
  • arctic
  • water

The feces and dead waste are food for

  • virus
  • insects
  • bacteria and fungi
  • viruses and bacteria

As the winter approaches, many plants

  • die
  • wilt
  • refresh
  • get dormant

In winter, some birds move to warmer places where there is more food, this is called

  • emigration
  • immigration
  • migration
  • transfer

Many animals in the desert hide themselves during day, to get rid of

  • predators
  • heat
  • rain
  • cold

Food chains and food webs always start with a

  • consumer
  • detritivore
  • scavenger
  • green plant

'Moles' feed on

  • roundworms
  • earthworms
  • mice
  • birds

If the color of an insect is green, it has

  • less chances to survive
  • more chances to survive
  • to adopt environment to survive
  • to adopt the nature of a tree to survive

To keep the fish floating in water, it requires

  • fins
  • tail
  • swim bladder
  • feathers

To swim through water easily, fish have

  • feathers
  • wings
  • propellers
  • fins

Leaves of cactus are like small spines to

  • prevent excess water loss by evaporation
  • prevent predators from eating
  • prevent excess sunlight to be absorbed

When plants and animals die, they are decomposed by

  • scavengers
  • detritivores
  • primary consumers
  • primary producers
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