What is natality or birth rate?

Important Questions on Ecology and Ecological Organization

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 17

What is mortality or death rate?

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 18

What is adaptation?

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 19

How do viceroy butterfly avoid predation from predators?

HARD

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 1

Give an account of three abiotic factors of the ecosystem.

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 2

Give in brief about the energy flow within an ecosystem.

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 3

Write about the biotic factors in the ecosystem.

HARD

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 4

Describe the relationship between consumers and producers.

HARD

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 15 - Ecology and Ecological Organization>EXERCISE>Q 5

Explain the various types of food chains that are found in the stable ecological system.