Animal Classification Quiz
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Questions and Answers

Which of the following statements is true regarding the classification of animals?

  • All animals share the same habitat.
  • All animals are classified into a single phylum.
  • Classification is not necessary for understanding animal diversity.
  • Invertebrates are classified into eight phyla. (correct)

    • All animals in the animal kingdom have similarities in their shape and structure.

    False

    What is the primary purpose of classifying animals?

    To systematically organize knowledge about the animal kingdom.

    Animals without a vertebral column are known as _____ animals.

    <p>invertebrate</p> Signup and view all the answers

    Match the groups of animals with their characteristics:

    <p>Invertebrates = Animals without a vertebral column Vertebrates = Animals with a vertebral column Protozoa = First sub kingdom in the classification Kingdom Animalia = The broader classification for all animals</p> Signup and view all the answers

    Which type of locomotion is NOT typically associated with animals?

    <p>Photosynthesis</p> Signup and view all the answers

    All invertebrate animals are aquatic.

    <p>False</p> Signup and view all the answers

    Name one type of invertebrate animal.

    <p>Amoeba or any specific invertebrate like a jellyfish, octopus, etc.</p> Signup and view all the answers

    Which of the following is a characteristic of members of the phylum Porifera?

    <p>Body consists of numerous pores</p> Signup and view all the answers

    Cnidaria includes both solitary and colonial members.

    <p>True</p> Signup and view all the answers

    Name one example of an animal from the Phylum Cnidaria.

    <p>Hydra</p> Signup and view all the answers

    The body cavity of Cnidaria is known as the ___.

    <p>coelenteron</p> Signup and view all the answers

    Match the following phyla with their general characteristics:

    <p>Porifera = Simplest multicellular animals with numerous pores Cnidaria = Body contains ectoderm and endoderm layers Platyhelminthes = Body is flat and mostly parasitic</p> Signup and view all the answers

    What type of habitat do most species of Sponges (Phylum Porifera) prefer?

    <p>Marine environment primarily</p> Signup and view all the answers

    Platyhelminthes are only free-living organisms.

    <p>False</p> Signup and view all the answers

    What type of symmetry do organisms in the phylum Cnidaria exhibit?

    <p>Radial symmetry</p> Signup and view all the answers

    Which of the following phyla includes animals that have tubular bodies and a complete digestive system?

    <p>Nematoda</p> Signup and view all the answers

    Arthropods possess a hard exoskeleton made of chitin.

    <p>True</p> Signup and view all the answers

    Name one example of an organism from the Annelida phylum.

    <p>Earthworm</p> Signup and view all the answers

    The body of members in the phylum Mollusca is usually covered with a hard ______.

    <p>shell</p> Signup and view all the answers

    Match each phylum with its characteristic feature:

    <p>Nematoda = Body tubular and cylindrical with a complete digestive system Annelida = Segmented body with setae for locomotion Arthropoda = Body segmented with jointed appendages Mollusca = Soft body usually covered with a hard shell</p> Signup and view all the answers

    Which phylum is known for including animals that are often endoparasites or ectoparasites?

    <p>Nematoda</p> Signup and view all the answers

    All arthropods have the ability to fly.

    <p>False</p> Signup and view all the answers

    What is the primary function of nephridia in Annelida?

    <p>Excretion</p> Signup and view all the answers

    Which of the following characteristics is specific to echinoderms?

    <p>Water-vascular system</p> Signup and view all the answers

    All echinoderms can be found in freshwater habitats.

    <p>False</p> Signup and view all the answers

    What is a defining feature of the phylum Chordata?

    <p>Notochord</p> Signup and view all the answers

    Echinoderms exhibit a body structure that is __________, meaning it is divided into five equal parts.

    <p>pentamerous</p> Signup and view all the answers

    Match the following classes of Chordata with their general characteristics:

    <p>Cyclostomata = True jaws and paired appendages absent Chondrichthyes = Cartilaginous skeleton with placoid scales Urochordata = Notochord present only in larval stage Cephalochordata = Notochord persists throughout life</p> Signup and view all the answers

    Which of the following is NOT a habitat where chordates are found?

    <p>None of the above</p> Signup and view all the answers

    Which of the following characteristics is unique to Class Aves?

    <p>Body covered with feathers</p> Signup and view all the answers

    Vertebrates retain the notochord throughout their lives.

    <p>False</p> Signup and view all the answers

    What is an example of a cephalochordate?

    <p>Branchiostoma</p> Signup and view all the answers

    All mammals give birth to their young.

    <p>False</p> Signup and view all the answers

    What type of environment do amphibians prefer for laying eggs?

    <p>Water</p> Signup and view all the answers

    The skin of reptiles is typically __________.

    <p>dry and scaly</p> Signup and view all the answers

    Match the following classes with their characteristics:

    <p>Osteichthyes = Fresh water and gills respiration Amphibia = Cold-blooded and lay eggs in water Reptilia = Dry skin and scaled body Mammalia = Warm-blooded and hair-covered body</p> Signup and view all the answers

    Which of the following is an example of a member of Class Mammalia?

    <p>Royal Bengal Tiger</p> Signup and view all the answers

    Fish primarily breathe through lungs.

    <p>False</p> Signup and view all the answers

    Name one key feature of Class Osteichthyes.

    <p>Presence of gills covered by operculum</p> Signup and view all the answers

    Which of the following is a characteristic of the phylum Chordata?

    <p>Presence of notochord</p> Signup and view all the answers

    All vertebrates breathe through gills.

    <p>False</p> Signup and view all the answers

    What is the scientific name of Man?

    <p>Homo sapiens</p> Signup and view all the answers

    Excretory system of liver fluke is ______.

    <p>protonephridia</p> Signup and view all the answers

    Which phylum does the prawn belong to?

    <p>Arthropoda</p> Signup and view all the answers

    Blood filled body cavity of prawn is known as ______.

    <p>haemocoel</p> Signup and view all the answers

    Match the following classifications with their descriptions:

    <p>Arthropoda = Largest phylum of the animal kingdom Mollusca = Soft-bodied animals covered by a mantle Chordata = Animals with notochord and nerve cord Echinodermata = Starfish and sea urchins with radial symmetry</p> Signup and view all the answers

    Write the names of five known arthropods.

    <p>Insects, spiders, crabs, scorpions, centipedes</p> Signup and view all the answers

    Study Notes

    Chapter One: Classification of Animal Kingdom

    • The world contains numerous diverse animal groups, from microscopic organisms to large whales.

    • Animal diversity is associated with habitat variety.

    • Classification is a systematic arrangement to understand the vast animal kingdom.

    • At the end of this chapter, learners are able to:

      • classify invertebrate animals
      • classify vertebrate animals
      • explain the necessity of classifying living organisms

    Lesson 1: Classification of Animal Kingdom

    • Animals vary in appearance, structure, physiology, diet, and movement.
    • Some have backbones (vertebrates) and others do not (invertebrates).
    • Animals inhabit diverse environments (land, water, trees).
    • Animals have different food sources.
    • Animals exhibit various methods of movement (fins, wings, legs, cilia, appendages, etc.).

    Lesson 2-5: Classification of Invertebrate Animals

    • All animals belong to the Kingdom Animalia.
    • The phylum Protozoa (single-celled organisms) is now a sub-kingdom within Animalia.
    • Scientists have categorized animals into 9 phyla, with 8 being invertebrates.

    Phylum-Porifera (Sponges)

    • Sponges are found globally, mostly in marine environments, but some live in freshwater.
    • They are the simplest multicellular animals.
    • They have numerous pores through which water flows.
    • Examples include Spongilla and Scypha.

    Phylum-Cnidaria (Coelenterata)

    • These animals live in various environments, mostly in the marine realm, some in freshwater/aquatic ecosystems.
    • They are diverse in shape, size and color.
    • They can be solitary or colonial.
    • Examples include Hydra and Obelia.

    Phylum-Platyhelminthes (Flatworms)

    • Often parasitic, living on or in other organisms.
    • They can be ectoparasites (outside) or endoparasites (inside).
    • Free-living species exist in damp environments or freshwater
    • Examples include the Liver fluke and Tapeworm.

    Phylum-Nematoda (Roundworms)

    • Many are parasitic, living in the intestines or blood of animals, causing harm.
    • Some are free-living and found in soil and water,
    • Examples include Liver fluke and Tapeworm.

    Phylum-Annelida (Segmented Worms)

    • Found in diverse environments (soil, fresh and saltwater).
    • Body is segmented (tubular) with setae for movement except in leeches.
    • Examples include Earthworms and Leeches.

    Phylum-Arthropoda (Arthropods)

    • This is the largest animal phylum.
    • They exhibit a segmented body, jointed appendages, hard exoskeleton and a hemocoel.
    • They live in diverse environments and often serve as parasites on other organisms.
    • Examples include butterflies, prawns, cockroaches, crabs.

    Phylum-Mollusca (Mollusks)

    • Animals with soft bodies, often protected by a hard shell.
    • Exhibit diverse forms, habits and habitats including land, marine habitats.
    • Examples include snails, mussels.

    Phylum-Echinodermata (Echinoderms )

    • Exclusively marine animals.
    • Body is radially symmetrical with spines or other specialized structures.
    • Examples include starfish and sea cucumbers.

    Phylum-Chordata (Chordates)

    • Animals including vertebrates and some invertebrates (Urochordata, Cephalochordata, and Vertebrata).
    • Notochord, a flexible rod, is present at some stage in their development (or throughout their lives), in the early developmenal stage or in adults).

    Classes of Vertebrates

    • The following classes are found (in vertebrates):
      • Cyclostomata
      • Chondrichthyes
      • Osteichthyes
      • Amphibia
      • Reptilia
      • Aves
      • Mammalia

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    Secondary 2018 Class 8 Science PDF

    Description

    Test your knowledge on the classification of animals and their characteristics with this engaging quiz. You will encounter questions about vertebrates, invertebrates, and various animal phyla. Explore topics such as locomotion, habitat preferences, and animal symmetries to see how well you understand the animal kingdom.

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