Study

Structures and Functions

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  • The chart describes some beak and foot adaptations that help four bird species survive in different habitats. Based on these adaptations, which of the birds most likely live in a forest environment?
    Birds W and Z
    Birds Y and Z
    Birds W and X
    Birds X and Y
  • Which of the following best functions to protect an animal from a cold environment?
    The petals of a flower
    The feathers on a bird
    A cow’s second stomach
    Short legs
  • Many prairie grasses and aquatic plants have flexible stems. How does this adaptation help these plants survive in different ecosystems? (look at image)
    A
    C
    B
    D
  • Sloths and koalas spend nearly all their time in trees. Both sleep over 15 hours a day! Both are herbivores with sharp claws. Koalas eat eucalyptus leaves, while sloths eat a variety of leaves. How do sharp claws help them both survive?
    Sharp claws help them grip the ground when running.
    Sharp claws help them dig in the dirt for food.
    Sharp claws help them climb and move through trees.
    Sharp claws help them capture prey.
  • The plants shown go through photosynthesis, but they also have specialized ways of trapping insects. What is the function of the structures described for the plants above?h
    . To gain extra sources of water
    To keep predators away
    To obtain nutrients that are not found in their soil
    To retain heat during cold weather
  • Look at the image for more info. Many other types of cacti expand and contract as they gain or lose water. What characteristic of the environment does this function help cacti adapt to?
    Icy Conditions
    Strong Winds
    Flooding
    Drought
  • A giraffe is a mammal with a long neck and patterned fur. It lives in the African grasslands. Which of the following structures of the giraffe is NOT correctly described?
    Patterned fur allows it to be seen easily by predators
    A long neck allows it to eat ;eaves from tall trees
    Patterned fur allows it to blend in with its surroundings
    A long neck allows it to see distant predators
  • Some animals have beaks, while some animals have large mouths with flat teeth and others have sharp teeth. The difference in these structures is related to—
    hibernation
    the sounds they make
    reproduction
    what they eat
  • In which environment are animals with this adaptation best suited? See info in the image.
    Desert
    Ocean
    Rainforest
    Tundra
  • Which of the following terms belongs in the empty box?
    Growth
    Reproduction
    Camouflage
    Movement
  • What is the function of quills for these animals?
    Obtaining water
    Protection
    Moving from place to place
    Gathering food
  • Animal teeth are structured differently depending on the animal’s diet. Which answer choice correctly identifies the diets of the animals in the images?
    The animals are both omnivores.
    Animal A is an herbivore. Animal B is a carnivore.
    Animal A is an herbivore. Animal B is an omnivore.
    Animal A is a carnivore. Animal B is an herbivore.
  • Animal feet have different structures that are used for different functions. Which answer choice correctly identifies the function of each foot pictured?
    A
    C
    D
    B
  • Which structure is NOT primarily used for helping an animal sense its environment?
    Eyes
    Antlers
    Whiskers
    Antannae
  • Which of the following is an example of an internal structure that aids in eating?
    Short legs
    A cow’s second stomach
    The petals of a flower
    The feathers on a bird
  • Which of the following in the image represents a structure used to aid in reproduction?
    D
    B
    A
    C
  • What is the function of the flat teeth on an antelope?
    For eating grass
    For eating meat
    For reproduction
    For defense
  • Which animal’s tusks are most likely used to help them climb out from water onto the ice? (see image for answer choices)
    Walrus
    Wild Pig
    Elephant
    Narwhal