Available Answers

1. 1.

   Fill in the blanks.

   1. Plants and animals are dependent on each other for _________________.
   2. When animals die they are converted back into nutrients by _________________.
   3. Plants get water and nutrients from the _________________.
   4. All living organisms that cannot prepare their own food are called _________________.
   5. Decomposition is the process of breaking down _________________ nutrients into _________________ substances by decomposers.
2. 2.

   Fill in the blanks.

   1. The producers are eaten by _____________.
   2. Smaller carnivores are eaten by larger _____________.
   3. The increased number of herbivores would eat up all the _____________ in that area.
   4. Illegal hunting of wild animals occurs for products such as _____________, _____________, _____________ and _____________.
   5. Forest fire may be caused due to _____________ and _____________.
3. 3.

   Choose the correct option.

   1. When animals die, they are converted back to
      1. oxygen
      2. carbon dioxide
      3. sunlight
      4. nutrients
   2. Rants depend on animals for
      1. nutrients
      2. dispersal of seed
      3. carbon dioxide
      4. All of these
   3. Non-living components of the environment include
      1. air
      2. light
      3. soil
      4. All of these
   4. An example of a herbivore is
      1. Goat
      2. Lion
      3. Cat
      4. Tiger
   5. An example of a scavenger is
      1. Elephant
      2. Giraffe
      3. Vulture
      4. None of these
4. 4.

   Name the following.

   1. The dependence of plants on animals, and animals on plants.
   2. The process of making food by plants.
   3. Living things that can make their own food.
   4. Living things that cannot make their own food. and depends on plants for food.
   5. Bacteria and fungi that break down the nutrients present in decaying matter are called.
5. 5.

   Write T for True and F for False. Correct the False statements.

   1. Plants do not depends on animals.
   2. Plants give shelter and protection to some animals.
   3. Plants, animals, and microorganisms form the living components.
   4. All animals are consumers.
   5. Animals that feed on both plants and animals are called carnivores.
6. 6.

   Give two examples of the following.

   1. Scavengers
   2. Consumers
   3. Decomposers
   4. Omnivores
   5. Microorganisms