Study

Sea Creatures

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  • What is baleen?
    It's a comb-like structure that acts as a sieve in the whale’s mouth.
  • What is unique about a moral eel’s teeth?
    There are two sets and they point inwards to prevent prey from escaping.
  • Why aren’t seahorses considered good prey by predators?
    They have many bones so they are hard to digest.
  • What is unique about seahorses’ eyes?
    One eye can look backwards while the other is looking forward.
  • How many species of seahorse exist?
    30-40
  • Why are whales considered mammals?
    They breathe air into their lungs, feed their young with milk, are warm-bloodied, and have hair.
  • How does an octopus move through the water?
    It releases water through its head to propel itself forward.
  • Which whale can grow the biggest?
    The blue whale
  • How do female octopuses generally die?
    They die from starvation while guarding their eggs.
  • How do whales stay warm?
    They have a thick layer of blubber under their skin.
  • How big can a giant moral eel grow to?
    4 meters
  • What natural weapon does an octopus have?
    The ability to produce ink
  • What kind of food do moral eels eat?
    They eat fish, octopuses, and crustaceans.
  • What protects moray eels from sharp rocks and reefs?
    The mucus that covers its body
  • How do we know that octopuses are intelligent?
    We have observed them solving puzzles, recognizing different designs, and using tools.
  • What is unique about the reproductive cycle of a seahorse?
    The male seahorse carries the offspring.
  • Why do whales sing?
    There are many theories but scientists know that they do it to communicate with one another.
  • How do seahorses swim?
    Vertically
  • What happens to moral eel eggs after fertilization?
    They float in the ocean for eight months until they hatch.
  • Where do moray eels prefer to live?
    They like to live in crevices in both shallow and deep waters.
  • Why do seahorses have to eat constantly?
    They don’t have a stomach
  • What octopus is dangerous to humans?
    The small blue-ringed octopus
  • How many hearts does an octopus have?
    3
  • How do whales breathe air?
    Through the blowholes on top of their head
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