Question

Complete the following crossword puzzle.

Across

2. A completely submerged aquatic plant
4. The place or surroundings where a plant or animal lives
8. Plants whose roots grow out of the soil in an upward direction to breathe from air
10. Upward and backward movement of the wings
11. A plant with haustorial roots

Down

1. This helps the fish to change direction in water and maintain the body balance
3. The plants that grow upon other plants for physical support
5. The presence of specific body features which enable a plant or an animal to live in a particular habitat
6. A waterless area of land covered with sand and having little or no vegetation
7. Modified leaves of cactus
9. Thick layer of fat under the skin of some animals

Accepted Answer

Across
2. The plants which grow in water are called aquatic plants. Vallisneria is an example of a completely submerged aquatic plant.
4. The place or surroundings where a plant or animal lives is called its habitat.
8. Plants with root above ground are called aerial plants. Pneumatophores are plants whose roots grow out of the soil in an upward direction to breathe air.
10. Wings are attached to a bird's body with strong muscles that help the wings move up and down and forward and backward causing flight. Moving the wings upward and backward is called upstroke movement.
11. Haustorial roots are found in parasitic plants where the aerial roots become attached to the host plant to obtain food. For example, Mistletoe.

Down

1. The fish has flat fins to change direction and keep its body balanced in the water.
3. Epiphytes are air plants that grow upon other plants for physical support without harming them. They carry out photosynthesis without depending on the host plant.
5. The presence of specific body features (or certain habits) which enable a plant or an animal to live in a particular habitat is called Adaptation.
6. A waterless area of land covered with sand and having little or no vegetation is called a desert.
7. The cactus plants have modified their leaves in the form of thin spines to reduce the loss of water through transpiration.
9. Some animals have thick layer of fat called blubber under their skin that helps them to keep warm and store energy.

Hence,

Lakhmir Singh & Manjit Kaur Solutions for Chapter: Adaptations, Exercise 3: WORKSHEET

Lakhmir Singh & Manjit Kaur Biology Solutions for Exercise - Lakhmir Singh & Manjit Kaur Solutions for Chapter: Adaptations, Exercise 3: WORKSHEET

Questions from Lakhmir Singh & Manjit Kaur Solutions for Chapter: Adaptations, Exercise 3: WORKSHEET with Hints & Solutions

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