Mollusks and Arthropods: Unique Adaptations

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What is the unique hydraulic system found in echinoderms used for?

Reproduction

Communication

Respiration

Feeding (correct)

Which organ do mollusks like snails use for feeding on algae or scraping surfaces?

Radula (correct)

Tracheal System

Exoskeleton

Jet Propulsion

What evolutionary adaptation do arthropods like insects have that enables efficient gas exchange?

Tracheal System (correct)

Water Vascular System

Jet Propulsion

External Skeleton

What structures in echinoderms allow them to move and manipulate objects, as well as capture prey?

Tube Feet Signup and view all the answers

What provides support and coordination in movement for chordates?

Notochord and Dorsal Nerve Cord Signup and view all the answers

Which evolutionary adaptation is unique to cephalopods like squids?

Jet Propulsion Signup and view all the answers

How do echinoderms reproduce?

By external fertilization in the water Signup and view all the answers

Which adaptation allows amphibians to exploit both aquatic and terrestrial habitats?

Moist Skin Signup and view all the answers

Which of the following is a characteristic of chordates?

Dorsal nerve cord Signup and view all the answers

What is the function of pharyngeal slits in some vertebrates?

Filter feeding Signup and view all the answers

Which structure aids in propulsion and balance during swimming in aquatic species?

Post-anal Tail Signup and view all the answers

How do amphibians obtain oxygen?

Through diffusion across their skin Signup and view all the answers

Which evolutionary adaptation allowed vertebrates to conquer land?

Evolution of lungs Signup and view all the answers

What is the purpose of the vertebral column in vertebrates?

Support and protect the spinal cord Signup and view all the answers

What is a key characteristic of amphibians' reproduction?

External fertilization in water Signup and view all the answers

Which evolutionary adaptation allows fishes to control their position in the water column?

Buoyancy Control Signup and view all the answers

How do echinoderms interact with their environment?

Providing habitats for other organisms Signup and view all the answers

Why is endothermy advantageous for many vertebrates?

Enable maintenance of activity in a wide range of environments Signup and view all the answers