Classification

• What is classification in biology?

  Grouping organisms based on characteristics
• What is a kingdom in biological classification?

  Second highest rank in classification
• What do all living things do?

  Move, respire, sensitivity, grow, reproduce, excretion, nutrition
• What are the five kingdoms of life?

  • Plant
  • Animal
  • Fungi
  • Protist
  • Bacteria
• What defines a vertebrate?

  Having a backbone
• How many groups of vertebrates are there?

  Five groups
• What are the characteristics of fish?

  Cold-blooded, fins, and tails
• What are amphibians known for?

  Cold-blooded, moist skin, lay eggs
• What are reptiles characterized by?

  Cold-blooded, dry scaly skin
• What defines mammals?

  Warm-blooded, give birth to live young
• What are birds characterized by?

  Warm-blooded, feathers, and wings
• What is an invertebrate?

  Something without a backbone
• How many groups of invertebrates are there?

  Five groups
• What are the characteristics of insects?

  Three body sections and six legs
• What defines arachnids?

  Two body sections and eight legs
• What are crustaceans characterized by?

  Segmented body and multiple pairs of legs
• What defines mollusks?

  Soft-bodied animals with shells
• What are annelids characterized by?

  Segmented bodies