Ecosystems & Energy Flow

Food chains, producers, and decomposers. Ideal for board exams and competitive test prep.

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QUESTION NO 01

An ecosystem includes?

Answer: Living organisms and their physical environment

Biotic and abiotic components interact in ecosystems.

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 02

A food chain shows?

Answer: Energy flow via who-eats-whom

Each link transfers energy between trophic levels.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 03

Producers are typically?

Answer: Autotrophs (e.g., plants, algae)

Producers convert inorganic carbon into organic matter.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 04

Decomposers?

Answer: Break down dead organic matter

Fungi and bacteria recycle nutrients.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 05

Biodiversity means?

Answer: Variety of life forms

It includes genetic, species, and ecosystem diversity.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 06

A niche is?

Answer: A species' role/resources in its habitat

Niche describes how a species fits into the community.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 07

Habitat is?

Answer: The place where an organism lives

Habitat is the environmental address of a species.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 08

Natural selection favors?

Answer: Traits that improve survival/reproduction

Differential reproductive success shapes adaptation.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 09

Evolution is change in?

Answer: Allele frequencies in populations over time

Populations evolve; individuals do not change allele pools alone.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 10

Homologous structures indicate?

Answer: Common ancestry

Similar underlying anatomy despite possible different functions.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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Shahzad Mahota

@shahzad-mahota

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Ecosystems & Energy Flow

An ecosystem includes?

A food chain shows?

Producers are typically?

Decomposers?

Biodiversity means?

A niche is?

Habitat is?

Natural selection favors?

Evolution is change in?

Homologous structures indicate?

Published By

Shahzad Mahota

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Ecosystems & Energy Flow

An ecosystem includes?

Explanation

A food chain shows?

Explanation

Producers are typically?

Explanation

Decomposers?

Explanation

Biodiversity means?

Explanation

A niche is?

Explanation

Habitat is?

Explanation

Natural selection favors?

Explanation

Evolution is change in?

Explanation

Homologous structures indicate?

Explanation

Published By

Shahzad Mahota

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