These DAV Class 5 Science Notes and DAV Class 5 Science Chapter 4 Notes – Animals Our Friends act as excellent revision resources, particularly in preparation for board exams.
Animals Our Friends Class 5 DAV Notes
Usefulness Of Animals In Our Daily Life:
→ Silk comes from silkworm and wool comes from sheep. These items are used for making cloth.
→ Leather comes from the skin of various animals. It is used for making shoes, purses, bags, belts, etc.
→ Pearl comes from oyster. It is used as jewellery.
→ All those plants and animals that live and grow on their own in natural surroundings come under wildlife. Wildlife is found everywhere; in plains, rivers, mountains, seas, rainforests and deserts.
→ Destruction of Wildlife: Human beings have been destroying the natural surroundings of wildlife by cutting down forests and by polluting the rivers. Due to this, many wild animals are becoming extinct.
→ Extinct Animals: Animals which no longer live on the earth are called extinct animals, e.g. Tasmanian tiger, quagga, passenger pigeon, golden toad and Caribbean seal.
→ Endangered Animals: Animals which are in danger of becoming extinct are called endangered animals, e.g. African elephant, Bactrian camel, bald eagle, golden lion, tamarin and panda.
Dangers Of Wildlife Trade:
→ In many parts of the world, wildlife is in danger because of illegal hunting and poaching. Many wild animals are killed and their body parts are sold. This is called wildlife trade. Some of the examples of use of animals’ body parts are as follows:
→ The tusks or ivory of elephants is used for making jewellery and decoration pieces.
→ Bears are killed in North and South America because of their gall bladders. The gall bladder of bears is used for making medicines.
→ The horn of rhinoceros is used for making medicines.
→ Kasturi obtained from musk deer is used for making perfume.
→ A variety of mountain goat is killed because its hair gives an expensive variety of wool. This variety of wool is called pashmina.
Protection Of Wildlife:
→ Wildlife Protection Act: This Act was enacted in 1972 by the Government of India. As per this Act, poaching and illegal trade in wildlife is a punishable offence. This Act was amended in January, 2003 and the amendment made more stringent penalty for offences as per this Act.
Care For Animals:
→ Following steps can be taken to prevent cruelty to animals:
- We should not throw polythene bags in the garbage. Stray animals may eat them and die due to suffocation.
- We should not keep the birds in cages or the fish in aquarium. This robs them of their independence.
- While visiting a garden or a park, never remove eggs from a bird’s nest.
- We should keep some water in a bowl and keep its outside. This will allow many birds to drink water.
- Take good care of your pets. Take them to a veterinarian in case they fall sick.
- Visit and support your local animal rescue organization.
→ Extinct: A species which no longer lives on the earth.
→ Endangered: A species which is in danger of becoming extinct.
→ Habitat: The home of a living being is called its habitat.
→ Tusk: The external teeth of an elephant.
→ Veterinarian: A doctor who treats animals.
→ Species: A group of similar plants or animals.