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Chapter 12 of 13
Flashcards

How Nature Works in Harmony

CBSE · Class 8 · Science

Flashcards for How Nature Works in Harmony — CBSE Class 8 Science. Quick Q&A cards covering key concepts, definitions, and formulas.

45 questions22 flashcards5 concepts

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22 Flashcards
Card 1Basic Ecology

What is a habitat?

Answer

A habitat is a place that provides the right conditions for an organism to live and grow. It provides food, water, shelter, space, and suitable temperature for organisms. Examples include a pond for f

Card 2Basic Ecology

What are biotic and abiotic components? Give examples of each.

Answer

Biotic components are living things in a habitat like plants, animals, and microorganisms. Abiotic components are non-living things like air, water, soil, sunlight, and temperature. Example: In a pond

Card 3Population and Community

Define population and give an example.

Answer

A population is a group of the same type of organisms living together in a habitat at a given time. Example: All the mango trees in a school garden or all the fish of one species in a pond form a popu

Card 4Population and Community

What is a community in ecological terms?

Answer

A community comprises different populations of organisms sharing the same habitat. It includes all the biotic components (plants, animals, and microorganisms) that interact and depend on one another f

Card 5Ecosystem

Define an ecosystem and explain its components.

Answer

An ecosystem is formed when biotic components (plants, animals, microorganisms) and abiotic components (air, water, soil, sunlight, temperature) in a habitat interact with each other. It can be terres

Card 6Ecological Processes

What is pollination and why is it important?

Answer

Pollination is the process where pollen grains are carried from stamens (male parts) to carpels (female parts) of flowers by wind, water, insects, bats, and birds. It is essential for the formation of

Card 7Food Relationships

Distinguish between producers (autotrophs) and consumers (heterotrophs).

Answer

Producers (autotrophs) make their own food through photosynthesis, like green plants. Consumers (heterotrophs) cannot produce their own food and depend on other organisms for nutrition, like animals t

Card 8Food Relationships

Define herbivores, carnivores, and omnivores with examples.

Answer

Herbivores eat only plants (deer, hare). Carnivores eat only animals (leopard, snake). Omnivores eat both plants and animals (crows, foxes, mice, humans). These are different types of consumers based

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