Ecosystem
Forests Our Lifeline of Class 7
- Plants occur in distinct group of communities in areas having similar climatic conditions.
- The nature of the plants in an area, to a large extent, determines the animals life in that area.
- All the plants and animals in an area are interdependent and interrelated to each other in their physical environment, thus, forming an ecosystem.
- Human beings are also an integral part of the ecosystem.
- The greed of human beings leads to over utilization of these resources.
- They cut the trees and kill the animals creating ecological imbalance.
- As a result some of the plants and animals have reached the verge of extinction.
- A very large ecosystem on land having distinct types of vegetation and animal life is called a biome.
NCERT SOLUTIONS FOR CLASS-7 SCIENCE (Science for grade-7 NCERT solutions)
Chapter 1 - Nutrition in Plants
Chapter 2 - Nutrition in Animals
Chapter 5 - Acids, Bases and Salts
Chapter 6 - Physical and Chemical Changes
Chapter 7 - Weather, Climate and Adaptations of Animals to Climate
Chapter 8 - Winds, Storms and Cyclones
Chapter 10 - Respiration in Organisms
Chapter 11 - Transportation in Animals and Plants
Chapter 12 - Reproduction in Plants
Chapter 14 - Electric Current and Its Effects
Chapter 16 - Water: A Precious Resource
Chapter 17 - Forests: Our Lifeline
ADITIONAL RESOURCE FOR CLASS 8 SCIENCE
1. Notes on Physics for class-8 Science
- Introduction
- Flora And Fauna
- Importance forests our life
- what is natural vegetation
- Ecosystem
- Types Of Vegetation
- The Thorn Forests And Scrubs
- Forest Conservation
- Wildlife
- Wildlife (Protection) Act 1972, Amended 1991
- Animals And Their Habitat
- Mind Map
- Exercise-1 for forest our lifeline
- Exercise-2
- Exercise 3 for forest our lifeline
- Exercise-4
