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2nd Grade Science - Animals Review

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  • the larva of a butterfly
    caterpillar
  • to produce an egg
    lay
  • an animal that lives on land and in water
    amphibian
  • How is the life cycle of a mammal different from the life cycle of a bird?
    Mammals grow inside their mother’s body and are born alive. Birds lay eggs, and baby birds hatch from the eggs.
  • What is an adaptation?
    An adaptation is a body part or a way an animal acts that helps it stay alive.
  • How do scientists classify animals?
    Scientists classify animals into two main groups. One group has backbones. The other group does not have backbones.
  • How does camouflage help an animal?
    Camouflage helps animals to blend into their surroundings to hide from predators.
  • a part of an insect's body that helps them feel, taste, and smell
    antenna
  • a young insect that hatches from an egg
    larva
  • the outer covering of the body of a bird
    feathers
  • Most ___________ begin their lives in water.
    amphibians
  • to come out of an egg.
    hatch
  • How do some animals without backbones stay safe?
    Some animals without backbones have hard body covering that keeps them safe.
  • an animal with three body parts and six legs
    insect
  • How do insects, birds, fish, reptiles, and amphibians reproduce?
    Insects, birds, fish, reptiles, and amphibians reproduce by laying eggs.
  • an animal that has hair or fur and makes milk for its young
    mammal
  • Mammals have ___________ to breathe.
    lungs
  • a body part or a way an animal acts that helps them stay alive
    adaptation
  • a series of bones that runs down the back of an animal
    backbone
  • Fish have ___________ that help them breathe underwater.
    gills
  • Many animals look like their ___________ when they are young.
    parents
  • Insects, birds, fish, reptiles, and amphibians lay ___________.
    eggs
  • What does a life cycle tell us?
    A life cycle tells us how an animal starts life, grows to be an adult, has young, and dies.
  • an animal that has dry skin covered with scales
    reptile
  • There are more than 80 different ___________ of bats in one forest.
    kinds
  • What do all animals need?
    All animals need food, water, air, and a place to live.
  • What parts does an insect have?
    An insect has six legs, antennae, and a hard, outer shell.
  • a way that animals blend into their surroundings
    camouflage
  • An ___________ is a body part or way an animal acts to stay alive.
    adaptation
  • ___________ sting other animals to stay safe and get food.
    Jellyfish
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