Brachiopoda: Lophophore, Pedicle, and Habitat

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What is the primary function of the lophophore in Brachiopoda?

Trap and move food particles (correct)

Reproduction

Protection from predators

Locomotion

Why is the pedicle important for Brachiopoda?

Reproduction

Attachment to substrates (correct)

Locomotion

Defense mechanism

What feeding strategy do Brachiopoda primarily use?

Herbivory

Carnivory

Suspension feeding

Filter feeding (correct)

Why are Brachiopoda significant in terms of their fossil record?

Rich fossil record Signup and view all the answers

What is the common name for the phylum containing Mollusks?

Mollusca Signup and view all the answers

What is the primary function of the muscular foot in Mollusks?

Locomotion Signup and view all the answers

What is the function of chelicerae in Chelicerata?

Used for injecting venom into prey Signup and view all the answers

How many pairs of walking legs do arachnids among Chelicerata possess?

Four pairs Signup and view all the answers

What is a characteristic habitat preference of Chelicerata?

Freshwater and marine environments Signup and view all the answers

Which group among Chelicerata are often land predators or parasites?

Arachnids Signup and view all the answers

What is a defining characteristic of Myriapoda?

Chewing mandibles Signup and view all the answers

How do millipedes and centipedes differ in leg arrangement?

$1$ pair of legs per segment for millipedes and $2$ pairs for centipedes Signup and view all the answers

What is the primary function of wings in Hexapods?

Facilitating flight Signup and view all the answers

How does gas exchange occur in aquatic Arthropoda species?

Pumped through feathery gills in contact with water Signup and view all the answers

Which body part in Hexapods is responsible for housing sensory organs like antennae and compound eyes?

Head Signup and view all the answers

What is the unique gas exchange mechanism in spiders?

Book lungs in contact with air Signup and view all the answers

How are mandibles utilized by Hexapods?

For feeding Signup and view all the answers

Which of the following Arthropoda species does not directly involve the circulatory system in gas exchange?

Insects Signup and view all the answers

What is the main role of Malpighian tubules in Hexapods?

Excreting waste Signup and view all the answers

What habitat preferences are shared by Arthropoda species?

Both aquatic environments and on land Signup and view all the answers

Which trait is NOT a characteristic shared by Chelicerata?

Presence of antennae Signup and view all the answers

Which organ system in Hexapods is responsible for gas exchange?

Tracheal system Signup and view all the answers

Which Arthropoda group includes predatory scorpions, spiders, ticks, and mites?

Arachnids Signup and view all the answers

What makes Hexapods unique among animals?

Possessing a tracheal system for gas exchange Signup and view all the answers

What method do Cephalopoda use for locomotion?

Water-jet propulsion Signup and view all the answers

Which of the following shell variations is correctly matched with the Cephalopoda species?

Nautilus - External shell Signup and view all the answers

What defensive mechanisms do Cephalopoda employ?

Camouflage and protective ink Signup and view all the answers

Which of the following is a common culinary use of Cephalopoda?

Calamari Signup and view all the answers

What is the primary lifestyle of Cephalopoda?

Active predators Signup and view all the answers

How are the brains of Cephalopoda particularly well-developed?

They display advanced problem-solving abilities Signup and view all the answers