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The Differences Between Mammals and Birds
  • 1. What type of heart structure do both mammals and birds possess?
A) Two-chambered heart.
B) Single chamber heart.
C) Three-chambered heart.
D) Four-chambered heart.
  • 2. Which class of animals mainly consists of warm-blooded creatures?
A) Mammals and birds.
B) Reptiles.
C) Amphibians.
D) Fish.
  • 3. What is the primary purpose of feathers in birds?
A) To help with walking.
B) Feathers are mainly decorative.
C) Flight and insulation.
D) To scare predators.
  • 4. How do birds generally regulate their body temperature?
A) By varying their feather count.
B) Through metabolic processes.
C) Using external sources like sun.
D) By burrowing into the ground.
  • 5. What type of body covering do birds have?
A) Feathers.
B) Fur.
C) Skin.
D) Scales.
  • 6. Which sense is often more developed in birds than in mammals?
A) Hearing.
B) Smell.
C) Vision.
D) Taste.
  • 7. Which group of mammals is known for laying eggs?
A) Monotremes.
B) Placental mammals.
C) Carnivores.
D) Marsupials.
  • 8. What structure do birds use to lay their eggs?
A) Cloaca.
B) Vagina.
C) Nares.
D) Urethra.
  • 9. Which of the following is a common behavior in mammals?
A) Migrating long distances.
B) Laying eggs in water.
C) Building nests in trees.
D) Parental care of young.
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