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OpenStem
@openstem · Joined Jul 2026
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Flashcards10 cards
What is a body covering?1 / 10
A body covering is the layer on the outside of an animal, like fur, feathers, scales, or skin. It protects the animal and helps it survive.
Biology · L1 · Fur and Feathers
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Biology · L1 · Fur and FeathersFlashcards10 cards
What job do a snake's scales do?1 / 10
A snake's scales are hard and tough. They protect the snake's body from scrapes, sharp rocks, and other dangers as it slides along the ground.
Biology · L1 · Scales and Skin
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Biology · L1 · Scales and SkinFlashcards9 cards
What body part do most animals use to move on land?1 / 9
Most land animals use legs to walk, run, or jump.
Biology · L1 · Legs for Walking, Running & Jumping
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Biology · L1 · Legs for Walking, Running & JumpingFlashcards9 cards
What body part helps most birds fly?1 / 9
Wings help most birds fly through the air.
Biology · L1 · Wings, Fins & No Legs at All
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Biology · L1 · Wings, Fins & No Legs at AllFlashcards10 cards
What does diurnal mean?1 / 10
Diurnal means an animal is awake and active during the day, and sleeps at night.
Biology · L1 · Awake by Day or Awake by Night
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Biology · L1 · Awake by Day or Awake by NightFlashcards8 cards
Why do many nocturnal animals have big eyes?1 / 8
Big eyes let in more light, which helps nocturnal animals see better when it is dark outside.
Biology · L1 · Bodies Built for the Dark
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Biology · L1 · Bodies Built for the DarkFlashcards10 cards
What job do flat, wide teeth do?1 / 10
Flat, wide teeth grind up tough food like grass and leaves.
Biology · L1 · Tooth Shapes and Jobs
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Biology · L1 · Tooth Shapes and JobsFlashcards10 cards
What kind of teeth does a horse have?1 / 10
A horse has wide, flat teeth for grinding grass and hay.
Biology · L1 · Guess the Diet by the Teeth
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Biology · L1 · Guess the Diet by the TeethFlashcards10 cards
What is inside a seed?1 / 10
Inside a seed there is a tiny baby plant, called an embryo, and stored food to feed it.
Biology · L1 · Inside a Seed
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Biology · L1 · Inside a SeedFlashcards10 cards
Why do seeds need to travel away from the parent plant?1 / 10
If seeds stay too close to the parent plant, there may not be enough room, sunlight, or water for them to grow.
Biology · L1 · How Seeds Travel
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Biology · L1 · How Seeds TravelFlashcards10 cards
What does every pet need to stay healthy?1 / 10
Every pet needs food, fresh water, a safe place to live, and kind care from its owner.
Biology · L1 · Caring for Pets
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Biology · L1 · Caring for PetsFlashcards10 cards
What do farm animals need to stay healthy, just like pets do?1 / 10
Farm animals need food, clean water, shelter, and space to move, just like pets.
Biology · L1 · Caring for Farm Animals
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Biology · L1 · Caring for Farm AnimalsFlashcards10 cards
Why is winter hard for insects?1 / 10
It is very cold, and there are few plants or flowers for insects to eat.
Biology · L1 · How Insects Survive Winter
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Biology · L1 · How Insects Survive WinterFlashcards8 cards
Where might you find sleeping insects on a winter walk?1 / 8
Under loose bark, inside piles of leaves, in cracks, or under logs and stones.
Biology · L1 · Small Creatures, Big Winter Plans
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Biology · L1 · Small Creatures, Big Winter PlansFlashcards10 cards
What does it mean when a baby animal is 'born alive'?1 / 10
It means the baby grows inside its mother's body and comes out already formed, not from an egg.
Biology · L1 · Born Alive
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Biology · L1 · Born AliveFlashcards10 cards
What does it mean when a baby animal 'hatches'?1 / 10
It means the baby grew inside an egg outside its mother's body, and then broke out of the egg.
Biology · L1 · Hatched From an Egg
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Biology · L1 · Hatched From an EggFlashcards10 cards
What does a bird use its beak for?1 / 10
A bird uses its beak to catch, hold, tear, or crack its food. It also uses its beak to build nests and clean its feathers.
Biology · L1 · Bird Beaks: Shaped for the Job
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Biology · L1 · Bird Beaks: Shaped for the JobFlashcards10 cards
What are a bird's feet used for?1 / 10
Birds use their feet for walking, swimming, catching food, and holding onto branches.
Biology · L1 · Bird Feet: Shaped for the Job
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Biology · L1 · Bird Feet: Shaped for the JobFlashcards10 cards
What does it mean for an animal to blend in?1 / 10
Blending in means an animal's color or shape matches the place it lives, so it is hard to see.
Biology · L1 · Types of Camouflage
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Biology · L1 · Types of CamouflageFlashcards10 cards
Why do prey animals use camouflage?1 / 10
Prey animals use camouflage to hide from predators that want to eat them.
Biology · L1 · Why Camouflage Helps
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Biology · L1 · Why Camouflage HelpsFlashcards10 cards
What are your first teeth called?1 / 10
Your first teeth are called baby teeth. They are also called primary teeth.
Biology · L1 · Losing Baby Teeth
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Biology · L1 · Losing Baby TeethFlashcards10 cards
What are the teeth that replace baby teeth called?1 / 10
They are called adult teeth. They are also called permanent teeth.
Biology · L1 · Adult Teeth Grow In
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Biology · L1 · Adult Teeth Grow InFlashcards10 cards
What is pollen?1 / 10
Pollen is a fine, powdery dust made by flowers.
Biology · L1 · How Pollen Travels
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Biology · L1 · How Pollen TravelsFlashcards10 cards
What is a butterfly attracted to on a flower?1 / 10
A butterfly is drawn to a flower's bright colors and its sweet nectar.
Biology · L1 · Bees, Butterflies, and Mutualism
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Biology · L1 · Bees, Butterflies, and MutualismFlashcards10 cards
What does 'parental care' mean?1 / 10
It means how much an animal parent feeds, protects, or teaches its babies.
Biology · L1 · Different Ways Parents Care for Babies
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Biology · L1 · Different Ways Parents Care for BabiesFlashcards10 cards
What is a mammal mother's milk made especially for?1 / 10
It is made just for her own babies, giving them the nutrients they need to grow strong and fast.
Biology · L1 · Nursing, Feeding, and Teaching Baby Animals
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Biology · L1 · Nursing, Feeding, and Teaching Baby AnimalsFlashcards10 cards
Are whales and dolphins fish?1 / 10
No. Whales and dolphins are mammals, just like dogs, cats, and people.
Biology · L1 · Whales and Dolphins Have Lungs
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Biology · L1 · Whales and Dolphins Have LungsFlashcards10 cards
Can whales hold their breath underwater?1 / 10
Yes! Whales can hold their breath for a long time while they swim and dive.
Biology · L1 · Diving and Holding Their Breath
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Biology · L1 · Diving and Holding Their BreathFlashcards10 cards
What is a nest?1 / 10
A nest is a home a bird builds, usually woven from twigs, grass, and leaves.
Biology · L1 · Nests, Burrows, and Shells
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Biology · L1 · Nests, Burrows, and ShellsFlashcards10 cards
What is a web, and who spins it?1 / 10
A web is a sticky net that a spider spins from silk thread to catch insects to eat.
Biology · L1 · Webs, Hives, and Dams
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Biology · L1 · Webs, Hives, and Dams