Try to write names of the predators and what they eat. Animal What does it eat 1. Fox 1. Rat, ..... 2. Monitor lizard 2. Snake, rat, fish..... 3 Khattash / Wild cat 3. Banana, other fruits.... 4. Monocled Cobra 4. Birds, rats, .... 5. Rat snake 5. 6. House lizard 6. 7. Spider 7. 8. Frog 8. 9. 9. 10. 10.

Different animals have different food habits. Some are carnivores while some are herbivores. We humans are omnivores. Animal What does it eat 1. Fox 1. Rat, rodents, birds, frogs and earthworms, etc. 2. Monitor lizard 2. Snake, rat, fish, insects, crabs, snakes, etc. 3 Khattash / Wild cat 3. Banana, other fruits, small rodents, such as mice and rats, etc. 4. Monocled Cobra 4. Birds, rats, small mammals, snakes and fish, etc. 5. Rat snake 5. Rodents. Mice, chipmunks, voles, shrews, squirrel, birds and its eggs, etc. 6. House lizard 6. Insects, etc. 7. Spider 7. Insects and even other spiders 8. Frog 8. Spiders, grasshoppers, butterflies, etc. 9. Elephant 9. Woody trees, bark, fruits, grasses, shrubs, and herbs, 10. Monkey 10. Nuts, fruits, seeds and flowers, etc.

Fill in the chart with some more parasites: Parasite Where it lives How it harms the hosts 1. Tuberculosis microbe Lung, bones, other organs Fever, loss of weight, cough 2. Tapeworm Stomach, intestine, muscle, brain, liver Weakness, seizure 3. Malarial parasite Liver, Red Blood Corpuscles Fever, loss of blood, weakness 4. Entamoeba histolytica Intestine Diarrhoea, loss of water

Parasites refer to the organisms which lives on other organism called host and get its nourishment from the same. Parasites harm the organisms in which it lives. Parasite Where it lives How it harms the hosts 1. Tuberculosis microbe Lung, bones, other organs Fever, loss of weight, cough 2. Tapeworm Stomach, intestine, muscle, brain, liver Weakness, seizure 3. Malarial parasite Liver, Red Blood Corpuscles Fever, loss of blood, weakness 4. Entamoeba histolytica Intestine Diarrhoea, loss of water 5. Swarnalata Around a tree as it is a creeper Sucks off the juice of the host tree 6. Louse In our hair They feed on our blood

Fill up the chart below with names of animals from whom we get food items: Name of food Name of the animal from whom we get the food 1. Honey 2. Meat 3. Eggs 4. 5.

Animals and plants are dependent on each other. Even animals are also dependent on other animals. We get different kinds of foods from animals like:- Name of food Name of the animal from whom we get the food 1. Honey Honeybees 2. Meat Chickens, duck, goat, pig, turkey, etc. 3. Eggs Chickens, duck, etc. 4. Milk Cow, camel, goat, etc. 5. Cod liver oil Fish

Write down some ingredients of animal origin that are used to make clothes: Ingredients used to make the clothes We get from which animal 1. Silk 2. Wool 3. 4.

We are dependent on both plant and animals. From animals, we not only get food but also many other things like clothes. Ingredients used to make the clothes We get from which animal 1. Silk Silkworm 2. Wool Sheep 3. Cashmere Cashmere goats 4. Leather Hide of animals like lion, tiger, deer, etc.

Fill in the chart below with information regarding the medicines that we get from other animals. Name of the medicine Animal from which it is obtained What is it used for 1. Cod liver oil 2. 3.

We all are dependent on animals not only for food and clothes but also for medicines. Name of the medicine Animal from which it is obtained What is it used for 1. Cod liver oil Fish It is a source of vitamin A and vitamin D. 2. Musk deer meat Musk deer Treat cardiac, circulatory and respiratory problems. 3. Honey Honeybee Relieves eye diseases, bronchial asthma, throat infections, tuberculosis, ulcers, etc.

Fill in the chart below with names of animals that help to keep our surroundings clean: Name of animal How it keeps our surrounding clean 1. Crow 2. Pig 3. Vulture 4. 5.

Some animals help in keeping our surroundings clean as they are scavengers, e.g. hyenas, jackals, opossums, vultures, crows. Dead animals give a foul smell. This smell is unbearable and makes the environment unfit to live in. These animals eat dead animals and keep the surrounding clean. Name of animal How it keeps our surrounding clean 1. Crow They eat all that we throw away. 2. Pig They eat filth and can digests crop leftovers, weeds and other low-value nutrients. 3. Vulture They eat bones and flesh of dead animals. 4. Hyena They consume dead animal which is killed by other animals. 5. Microorganisms They are the decomposers, i.e. can break complex biomolecules of the organisms into simple ones which can again be used by the plants or get mixed in the soil. Its examples are bacteria and fungi.

Animals that help in dispersal of fruits and seeds How do they help Wild cat Fox

HARD

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 11

Question Image

Look at the pictures. Do you notice that there are two creatures in each picture? Are they related to each other? Write about them.

EASY

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 12

Look at the pictures below and try to identify the animals. Write down the names of the respective animal:

Question Image

EASY

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 12

Try to write names of the predators and what they eat.

Animal	What does it eat
1. Fox	1. Rat, .....
2. Monitor lizard	2. Snake, rat, fish.....
3 Khattash / Wild cat	3. Banana, other fruits....
4. Monocled Cobra	4. Birds, rats, ....
5. Rat snake	5.
6. House lizard	6.
7. Spider	7.
8. Frog	8.
9.	9.
10.	10.

EASY

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 13

Fill in the chart with some more parasites:

Parasite	Where it lives	How it harms the hosts
1. Tuberculosis microbe	Lung, bones, other organs	Fever, loss of weight, cough
2. Tapeworm	Stomach, intestine, muscle, brain, liver	Weakness, seizure
3. Malarial parasite	Liver, Red Blood Corpuscles	Fever, loss of blood, weakness
4. Entamoeba histolytica	Intestine	Diarrhoea, loss of water

EASY

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 14

Fill up the chart below with names of animals from whom we get food items:

Name of food	Name of the animal from whom we get the food
1. Honey
2. Meat
3. Eggs
4.
5.

EASY

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 15

Write down some ingredients of animal origin that are used to make clothes:

Ingredients used to make the clothes	We get from which animal
1. Silk
2. Wool
3.
4.

EASY

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 16

Fill in the chart below with information regarding the medicines that we get from other animals.

Name of the medicine	Animal from which it is obtained	What is it used for
1. Cod liver oil
2.
3.

EASY

6th West Bengal Board

IMPORTANT

Environment and Science Class 6>Chapter 1 - Interdependence of Organisms and the Environment>Exercise 17

Fill in the chart below with names of animals that help to keep our surroundings clean:

Name of animal	How it keeps our surrounding clean
1. Crow
2. Pig
3. Vulture
4.
5.

Animals that help in dispersal of fruits and seeds How do they help

Wild cat

Fox

Important Questions on Interdependence of Organisms and the Environment

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Animals that help in dispersal of fruits and seeds	How do they help
Wild cat
Fox