Questions and Answers
What phylum do vertebrates belong to?
Which class does not lay eggs and has keratin hair?
Which class is characterized by having larvae that are aquatic and older individuals having lungs?
Which class lays eggs, is cold-blooded, and covered in scales?
Signup and view all the answers
What class is characterized by wings and feathers?
Signup and view all the answers
What class does bony fish belong to?
Signup and view all the answers
What phylum consists of organisms that filter water through pores?
Signup and view all the answers
Which phylum has stinging cells and is mostly carnivorous?
Signup and view all the answers
What phylum do flatworms belong to?
Signup and view all the answers
What class includes snails and slugs?
Signup and view all the answers
Which class includes crabs, shrimp, and lobsters?
Signup and view all the answers
What class do spiders belong to?
Signup and view all the answers
What is the defining feature of the phylum Echinodermata?
Signup and view all the answers
What type of skeleton do Chondrichthyes have?
Signup and view all the answers
Study Notes
Phylum Chordata
- Defined by the presence of a spine or notochord.
Class Mammalia
- Characterized by the presence of hair made of keratin.
- Do not lay eggs.
Class Amphibia
- Life cycle includes larvae that are aquatic with gills.
- Adults possess lungs and glandular skin; semi-terrestrial lifestyle.
- Typically have four legs.
Class Reptilia
- Cold-blooded organisms that lay eggs.
- Have scales; includes species like snakes and alligators.
Class Aves
- Distinguished by wings and feathers.
- All members lay eggs.
Class Osteichthyes
- Known as bony fish; skeleton made of bone.
- Breathe through gills.
Phylum Porifera
- Composed of simple organisms that filter water through pores.
Phylum Cnidaria
- Contains stinging cells; most are carnivorous.
- Life cycle resembles that of plants.
Phylum Platyhelminthes
- Soft-bodied, exhibiting bilateral symmetry.
Phylum Annelida
- Consists of invertebrates with segmented bodies.
- Lack lungs.
Phylum Mollusca
- Exhibit bilateral symmetry; bodies have more than two cell layers.
- Structures lack body cavities.
Class Bivalve (Mollusca)
- Includes clams and oysters; characterized by hinge at the back.
- Size and teeth help determine species.
Class Gastropoda (Mollusca)
- Encompasses snails and slugs.
Class Cephalopoda (Mollusca)
- Known for being predatory with symmetrical bodies and tentacles.
- Commonly found in saltwater; includes octopuses and squids.
Phylum Arthropoda
- Comprises spiders, crabs, lobsters, scorpions, and insects.
- Characterized by segmented bodies with a chitin exoskeleton and jointed legs.
Class Insecta (Arthropoda)
- Three-segment body plan and possesses three pairs of legs.
Class Arachnida (Arthropoda)
- Cold-blooded with eight jointed legs; includes spiders.
Class Crustacea (Arthropoda)
- Comprised of crabs, shrimp, lobsters, and crayfish.
- Features an invertebrate segmented body.
Phylum Echinodermata
- Includes starfish; exhibits radial symmetry.
- Lacks a heart, brain, and eyes.
Class Chilopoda (Arthropoda)
- Characterized by a single pair of elongated legs; resembles insects.
- Commonly known as centipedes.
Class Echinoidea (Echinodermata)
- Features tightly interlocking plate skeleton; includes sand dollars.
Class Asteroidea (Echinodermata)
- Star-shaped body plan centered around a central disk.
Class Holothuroidea (Echinodermata)
- Possesses arms with branched tentacles and is bilaterally symmetrical; commonly known as sea cucumbers.
Class Chondrichthyes
- Known as cartilage fish, including sharks and rays.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge of animal classification with this quiz focusing on various classes such as Chordata, Mammalia, and Reptilia. Each flashcard presents key characteristics that define each class, allowing for a comprehensive review of animal biology. Perfect for students and enthusiasts alike!
