CBSE Class 6 Science - Adaptations

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CBSE Class 6 Science - Adaptations Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations. 

Class-6th Science 

Sub Topic Adaptations

Habitat is the place where a plant or animal lives is called habitat. Habitat can be divided into two main groups

i) Terrestrial habitat: land based

ii) Aquatic habitat: water based

Habitat includes interaction between the biotic and abiotic components of the environment

Biotic component: living things in a habitat eg plants,animals ,microorganism

Abiotic components: non living things eg soil, air ,rocks , water, sunlight, temp. etc.

ADAPTATIONS

The presence of specific body features which enables a plant or an animal to live in a particular habitat is called adaptation

A)Terrestrial habitat:

(a) Desert

(b) Mountain region

(c) Forest

a) DESERT

i) ANIMALS

1)Desert animals such as desert rat and desert snakes survive by living in burrows during hot day time. They come out of the burrows only during cool night in search of food.

2) these animals pass out very small amount of urine and hence conserve water in their body. In this way they are adapted to cope up with lack of water.

ii) PLANTS

Cactus : the adaptations which help the cactus plants to survive in hot and dry climate are:

(a) Plants have modified their leaves in the form of thin spines to reduce the loss of water through transpiration

(b) Photosynthesis is carried out by the green stem.

(c) Stems store water and is covered with thick waxy layer to prevent the loss of water.

(d) Cactus plants have long roots to absorb water form a larger area.

b) MOUNTAIN REGION

i)Adaptations in plants

(a) The tree in mountain habitats are cone shaped having sloping branches. This shape of mountain trees makes the rainwater and snow to slideoff easily without damaging leaves and branches

(b) Small needle like leaves prevent the loss of water in windy condition which help the mountain tree to survive in winter when the soil water is frozen in the form of ice and not available to the roots

(c) Needle like leaves have a thick waxy layer to reduce the loss of water through transpiration

ii)Adaptations in Animals

Climate : Extreme cold conditions

A] Yak : long hair on their body to protect them from cold by keeping them warm.

B] Mountain Goat : 1] Long hair to protect it from cold

2] Strong hooves for running up the rocky slopes of mountains for grazing.

C] Snow Leopard : 1] Thick fur to protect it from cold.

2] Thick layer of fat beneath its skin for insulation to protect it from cold

3] Rounded body and small ears to reduce the heat loss from the body.

c) Forests or Grasslands : Area of land with trees and covered mainly plants.

i) Adaptation in Lion

1] Long , strong and sharp claws in its front legs to catch its prey.

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