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Biological Exchanges and Specialized Systems Quiz

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Biological Exchanges and Specialized Systems Quiz

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Questions and Answers

What is one purpose of the feathery fringe around axolotls' gills?

Serving as a reproductive organ

Enhancing sensory perception (correct)

Storing excess oxygen

Regulating body temperature

In unicellular organisms, how do exchanges with the environment primarily occur?

Through specialized exchange systems

By direct contact with the environment

Through internal transport systems

Via diffusion across the plasma membrane (correct)

What is a key function of gills in animals like fish?

Enhancing reproductive capabilities

Regulating blood sugar levels

Increasing respiratory efficiency (correct)

Aiding in filter feeding

Why is adaptation necessary for efficient exchange in multicellular organisms?

Because exchange through diffusion is not possible Signup and view all the answers

How are internal transport and gas exchange related in most animals?

Functionally connected Signup and view all the answers

What do circulatory systems in animals primarily do?

Circulate fluid throughout the body Signup and view all the answers

What is the function of the gastrovascular cavity in simple animals like cnidarians?

Digestion and distribution of substances Signup and view all the answers

Why can planarians and most flatworms survive without a circulatory system?

Due to having a large surface area to volume ratio Signup and view all the answers

What is the main difference between open and closed circulatory systems in animals?

In open systems, there is no distinction between blood and interstitial fluid, while in closed systems, the blood is confined to vessels Signup and view all the answers

Why might insects and arthropods have an open circulatory system?

To allow direct exchange of gases and nutrients with organs Signup and view all the answers

How does hemolymph travel in an open circulatory system after being pumped by the heart?

Through interconnected vessels into sinuses surrounding the organs Signup and view all the answers

What aids in circulating hemolymph in arthropods with an open circulatory system?

Body movements periodically squeezing sinuses Signup and view all the answers