Chapters
Chapter 2: Health and Diseases
Chapter 3: Force and Pressure
Chapter 4: Current Electricity and Magnetism
Chapter 5: Inside the Atom
Chapter 6: Composition of Matter
Chapter 7: Metals and Nonmetals
Chapter 8: Pollution
Chapter 9: Disaster Management
Chapter 10: Cell and Cell Organelles
Chapter 11: Human Body and Organ System
Chapter 12: Introduction to Acid and Base
Chapter 13: Chemical Change and Chemical Bond
Chapter 14: Measurement and Effects of Heat
Chapter 15: Sound
Chapter 16: Reflection of Light
Chapter 17: Man made Materials
Chapter 18: Ecosystems
Chapter 19: Life Cycle of Stars
Chapter 18: Ecosystems
Balbharati solutions for Maharashtra state board (SSC) Class 8 General Science Chapter 18 Ecosystems Exercise [Page 128]
Complete the following by using correct option.
Air, water, minerals, soil are ___________ factors of an ecosystem.
physical
organic
inorganic
Complete the following by using correct option.
River, ponds, ocean are _____________ ecosystem.
land
aquatic
synthetic
Complete the following by using correct option
Man is ___________ in an ecosystem.
producer
consumer
decomposer
Match the following
| Producers | Ecosystem |
| a. Cactus | 1. Forest |
| b. Aquatic plants | 2. Creek |
| c. Mangroves | 3. Aquatic |
| d. Pine | 4. Desert |
Give my information
Ecosystem
Give my information
Biome
Give my information
Food web
Give scientific reasons
Plants in an ecosystem are called producer.
Give scientific reasons
Large dams destroy ecosystem.
Give scientific reasons
Rhinos were restored in Dudhwa forest.
Answer the following:
What are the effects of icreased population on ecosystem?
Answer the following:
How is urbanization responsible for destruction of ecosystem?
Answer the following:
What are the reasons for war?
Explain the interactions among the factors of an ecosystem.
Answer the following:
Differentiate between evergreen forests and grasslands.
Describe the following pictures
Chapter 18: Ecosystems
Balbharati solutions for Maharashtra state board (SSC) Class 8 General Science chapter 18 - Ecosystems
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Concepts covered in Maharashtra state board (SSC) Class 8 General Science chapter 18 Ecosystems are Concept of Ecosystems, Structure of an Ecosystem, Land Biomes, Aquatic Ecosystems, Diminishment of Ecosystem Due to Human Interference :.
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