Share Facebook Email Telegram WhatsApp Results #1. Which class has the largest number of animals? Fishes Fishes Reptiles Reptiles Insects Insects Mammals Mammals #2. Identify the characteristic of acoelomates ____________. Absence of mesoderm Absence of mesoderm Absence of brain Absence of brain Coelom that is incompletely lined with a mesoderm Coelom that is incompletely lined with a mesoderm Solid body without a cavity surrounding internal organs Solid body without a cavity surrounding internal organs #3. Salamander belongs to the class ___________. Pisces Pisces Aves Aves Reptiles Reptiles Amphibian Amphibian #4. Which of the following combinations is incorrect? Nematoda- roundworms, pseudocoelomate Nematoda- roundworms, pseudocoelomate Calcarea- gastrovascular cavity, coelom present Calcarea- gastrovascular cavity, coelom present Echinodermata- coelom present, bilateral symmetry Echinodermata- coelom present, bilateral symmetry Platyhelminthes- gastrovascular cavity, flatworms, acoelomate Platyhelminthes- gastrovascular cavity, flatworms, acoelomate #5. Flame cells are the excretory structures for ______. Annelida Annelida Coelenterates Coelenterates Platyhelminthes Platyhelminthes Echinodermata Echinodermata #6. Phylum Porifera is classified based on ________. Branching Branching Symmetry Symmetry Spicules Spicules Reproduction Reproduction #7. The canal system in sponges develops due to ______. Porous walls Porous walls Gastrovascular system Gastrovascular system Reproduction Reproduction Folding of inner walls Folding of inner walls #8. Ascaris is characterized by _______. Presence of true coelom and metamerism Presence of true coelom and metamerism Presence of true coelom but the absence of metamerism Presence of true coelom but the absence of metamerism Absence of true coelom and metamerism Absence of true coelom and metamerism Absence of true coelom but the presence of metamerism Absence of true coelom but the presence of metamerism #9. Cnidaria is characterized by __________. Tissue level of organization Tissue level of organization Nematoblasts Nematoblasts Coelenteron Coelenteron All All #10. Which of the following characters is not typical to class Mammalia? Alveolar lungs Alveolar lungs Seven cervical vertebrae Seven cervical vertebrae Thecodont dentition Thecodont dentition Ten pairs of cranial nerves Ten pairs of cranial nerves Finish
