1) What is the main characteristic of vertebrates? a) Presence of lungs b) A backbone c) Ability to move d) Warm-bloodedness 2) Which group does a butterfly belong to? a) Mammals b) Amphibians c) Arthropods d) Fish 3) Amphibians are unique because they… a) Have feathers b) Can live both in water and on land c) Have scales and breathe through gills d) Produce milk 4) Which of the following is NOT an invertebrate group? a) Annelids b) Cnidarians c) Reptiles d) Mollusks 5) Fish are classified as invertebrates because they… a) Presence of lungs b) Have no backbone c) Can run d) Cold-bloodedness 6) Which group of invertebrates has stinging cells for defense and capturing food? a) Mollusks b) Nematodes c) Cnidarians d) Arthropods 7) Which of the following correctly matches the animal with its group? a) MollusksTurtle – Amphibian b) Spider – Arthropod c) Shark – Mammal d) Worm – Echinoderm 8) Which of the following has endoskeleton? a) Mammals b) Birds c) Arthropods d) Nemtaodes 9) The animals that serves as a parasite to its host a) Nematodes b) Annelids c) Platyhelminthes d) Mollusks 10) They are characterized by feathers, wings, toothless beaks and a high metabolic rate. a) Birds b) Reptiles c) Fish d) Mammals

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