Which Animal(s)can Get Needed Oxygen by Diffusion of the Gas

question 29

Multiple Choice

Which animal(s) can get needed oxygen by diffusion of the gas across a body surface and can distribute oxygen without the need of a specialized circulatory system?

• A) fish
• B) flatworms
• C) fish and flatworms
• D) sea anemones
• E) sea anemones and flatworms

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Definitions:

China

A country in East Asia, known for being one of the world's oldest civilizations and currently the most populous country.

Population Growth

The growth of a population as the number of its individuals rises over a period.

Thailand

A country in Southeast Asia known for its tropical beaches, opulent royal palaces, ancient ruins, and ornate temples displaying figures of Buddha.

India

A country in South Asia, known for its diverse cultures, languages, and history, the world's largest democracy and second most populous country.