Question

Define following terms :-- poachers extinct animals hibernation endangered animal ​

Answer 1

Step-by-step explanation:

1.

one that trespasses or steals. 2 : one who kills or takes wild animals (such as game or fish) illegally. poacher.

2.

Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. This is a natural part of evolution. But sometimes extinctions happen at a much faster rate than usual

3. An inactive state resembling deep sleep in which certain animals living in cold climates pass the winter. In hibernation, the body temperature is lowered and breathing and heart rates slow down.

4.

An endangered species is a species of wild animal or plant that is in danger of extinction throughout all or a significant portion of its range. A species is considered threatened if it is likely to become endangered within the foreseeable future.

Hope it helped you

Answer 2

Answer:

DAV MODEL SCHOOL, DURGAPUR

SESSION: 2020-2021

CLASS: V SUBJECT: SCIENCE Date: 01.07.2020

CHAPTER 3

FORESTS

ANSWER THE FOLLOWING QUESTIONS IN BRIEF :-

D1. Name any four products that are obtained from forests.

Ans. Four products obtained from forests are –

i) Wood / timber ii) Medicine iii) Bamboo iv)Honey .

D2. Why do some men cut trees ?

Ans. Some people cut trees due to the following reasons—

i) they need more land to make houses, industries and for agriculture.

ii) for earning money by selling wood.

iii) require wood for construction .

iv) for specific purpose –like sandal wood .

D3. Why is the Gir National Park famous for ?

Ans. Gir National Park in Gujarat is famous for Asiatic Lion. Here, the Asiatic lion is

protected so that it can live in its natural surroundings.

D4. Name two migratory birds that visit Bharatpur Bird Sanctuary .

Ans. Two migratory birds that visit Bharatpur Bird sanctuary in Rajasthan are Siberian

crane, Ibis.

D 5. What is the average temperature and annual rain fall needed for the

development of forest?

Ans. Average temperature required for development of forest is greater than 100 C and annual

rain fall required is at least 200 mm .

ANSWER THE FOLLOWING QUESTIONS:

E1. List four harmful effects of deforestation.

Ans. Four harmful effects of deforestation are--

i) Decrease in rainfall in the surrounding areas.

ii) Increase in the amount of carbon di-oxide in atmosphere that increase global

warming.

iii) Destruction of habitat of a variety of plants and animals .

iv) Increase in soil erosion that cause frequent floods.

E2. How do forests prevent soil erosion?

Ans. Forest is an area where the earth is covered by a large number of trees. The deep