Assessment - Chapter 3: Ecosystems

Assessment - Chapter 3: Ecosystems

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (soil, water, and climate) in a specific area.

2.

FLASHCARD QUESTION

Front

What are primary producers?

Back

Primary producers are organisms that produce their own energy through photosynthesis or chemosynthesis, such as plants and algae.

3.

FLASHCARD QUESTION

Front

What is the role of consumers in an ecosystem?

Back

Consumers are organisms that rely on other organisms for energy and nutrients. They can be herbivores, carnivores, or omnivores.

4.

FLASHCARD QUESTION

Front

What is the 10% rule in energy transfer?

Back

The 10% rule states that only about 10% of the energy from one trophic level is transferred to the next level in a food chain.

5.

FLASHCARD QUESTION

Front

How do human-caused disturbances affect ecosystems?

Back

Long-term human-caused disturbances can transform ecosystems in lasting ways, affecting biodiversity and ecosystem functions.

6.

FLASHCARD QUESTION

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

7.

FLASHCARD QUESTION

Front

What is respiration in the context of ecosystems?

Back

Respiration is the process by which organisms convert glucose and oxygen into energy, releasing carbon dioxide and water as byproducts.

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