Roe
Roe are tiny fish eggs. They come from fish and shrimp. People eat them in many ways. Some people fry them in a pan. Others eat them cold. They help our bodies stay strong. Do you like fish?
Early Reader · Change the reading level on the articleLife Science articles — Page 98
Read about living things, from cells and plants to animals and the human body. Choose an article below; its reading controls let you move between the available levels.
5,533 public articles · Page 98 of 116
Explore related Science Lab activities about plants, animals and ecosystems or the human body, each at five reading levels.
Roe deer
The roe deer is a small deer. It has red and brown fur. They live in many places in Europe. They like to hide in thick woods. This helps them stay safe. Do you like to look for deer?
Early Reader · Change the reading level on the articleRollo May
Rollo May was a man who studied minds. He wrote many books. He helped people understand their feelings. His work helps us today. He wanted to know why we feel things. Do you like to learn about people?
Early Reader · Change the reading level on the articleRomney sheep
These are Romney sheep. They come from England. They have very long wool. This wool is good for making rugs. We use their wool to stay warm. Do you like soft wool?
Early Reader · Change the reading level on the articleRooibos
Rooibos is a special plant. It grows in South Africa. People use the leaves to make a drink. It is a warm, red tea. It does not have caffeine. You can drink it with milk or honey. Do you like red tea?
Early Reader · Change the reading level on the articleRook (bird)
The rook is a big black bird. It has a white face. These birds like to live in groups. They build nests high in trees. They eat bugs from the ground. They are very smart birds. Do you like birds?
Early Reader · Change the reading level on the articleRoot canal treatment
A dentist can save a sick tooth. They clean the inside of the tooth. This stops the bad germs. The tooth stays in your mouth. It helps you eat well. Do you brush your teeth?
Early Reader · Change the reading level on the articleRosales
Many plants belong to one big group. You can find them in many places. They grow in cold and hot lands. We eat fruits like apples and berries. Some even make wood for chairs. They are very helpful to us. Do you like…
Early Reader · Change the reading level on the articleRosalyn Sussman Yalow
Rosalyn Yalow was a smart scientist. She studied how our bodies work. She found a way to look at blood. This helps doctors find sickness. She won a very big prize. Do you want to be a scientist too?
Early Reader · Change the reading level on the articleRosella
Rosellas are bright, colorful birds. They live in Australia. These parrots eat seeds and fruit. They like to splash in water. You can see them in parks. Do you like bright colors?
Early Reader · Change the reading level on the articleRosemary
Rosemary is a green plant. It has small leaves. It smells very good. People use it in food. It can grow in a pot. Do you like the smell?
Early Reader · Change the reading level on the articleRotifer
Small wheel animals live in water. They are too tiny to see. They have a part that looks like a wheel. This wheel helps them move. They are food for other animals. Can you find them in a pond?
Early Reader · Change the reading level on the articleRough-skinned newt
This newt has bumpy skin. It can be brown or black. Its belly is bright orange. The newt has a strong smell. This smell tells animals to stay away. It helps keep the newt safe. Do you like bright colors?
Early Reader · Change the reading level on the articleRove beetle
Some beetles have very short backs. They hide their wings under small covers. These beetles can still fly well. They live in many places. You might find them under a stone. Can you look for one?
Early Reader · Change the reading level on the articleRowan
The rowan is a small tree. It has bright red fruit. Birds love to eat these berries. This helps the tree grow more trees. It is a very pretty tree. Do you like red berries?
Early Reader · Change the reading level on the articleRoyal Tyrrell Museum of Palaeontology
This is a big museum. It is in a place called Canada. You can see many old bones there. Some bones are from dinosaurs. It is a fun place to visit. Do you like dinosaurs?
Early Reader · Change the reading level on the articleRoystonea
These are royal palms. They grow in warm places. Their trunks look like tall stone poles. They have big green leaves. The leaves help them stay safe in wind. They look very pretty. Do you like tall trees?
Early Reader · Change the reading level on the articleRoystonea oleracea
This is a big palm tree. It grows in warm places. The stem is grey. It has many green leaves. Some birds like to eat its fruit. It looks very grand. Do you like big trees?
Early Reader · Change the reading level on the articleRoystonea regia
The royal palm is a very tall tree. It has a smooth grey trunk. The top is bright green. Birds and bats love its fruit. This tree is special to Cuba. Do you like tall trees?
Early Reader · Change the reading level on the articleRubia tinctorum
This plant makes red color. It has long roots. People use the roots to dye cloth. They can even dye eggs red. It is a very useful plant. Do you like the color red?
Early Reader · Change the reading level on the articleRubus
These plants make yummy fruit. You might eat them. They are called berries. Some have sharp bits on the stems. These help the plant grow. Do you like berries?
Early Reader · Change the reading level on the articleRudolf Leuckart
Rudolf was a man who studied life. He looked closely at tiny bugs. He found out how they live. This helps keep people safe. He was a very smart teacher. Do you like to look at bugs?
Early Reader · Change the reading level on the articleRuff (bird)
The ruff is a bird. It lives in wet grass. The boys have bright feathers. The girls are grey and white. They like to eat bugs. Can you see the bird?
Early Reader · Change the reading level on the articleRuffed lemur
Ruffed lemurs live in big trees. They live on a far island. They like to eat fruit. This helps the forest grow. They have soft, thick fur. Do you like fruit too?
Early Reader · Change the reading level on the articleRufous hummingbird
This is a small bird. It has red feathers. The male has a bright throat. It flies to find flowers. It drinks sweet juice for food. Can you see its long beak?
Early Reader · Change the reading level on the articleRussian Blue
The Russian Blue is a pretty cat. It has soft grey fur. The fur looks like silver. It has bright green eyes. This cat is very smart. It can learn fun tricks. Do you like cats?
Early Reader · Change the reading level on the articleRusty-spotted cat
This is a very small wild cat. It lives in forests. It has rusty spots on its back. It likes to hunt at night. This little cat is so cute! Do you like cats?
Early Reader · Change the reading level on the articleRutaceae
Some plants have a strong smell. These plants can be big trees. They can also be small bushes. We eat fruits like oranges and lemons. These fruits taste very good. Do you like to eat fruit?
Early Reader · Change the reading level on the articleRynchops
Some birds have very odd faces. Their bottom beak is very long. They fly low over the water. They catch small fish to eat. These birds are very fast. Can you see them fly?
Early Reader · Change the reading level on the articleSabal
These are fan palms. They have leaves like fans. They grow in warm places. Some birds and bears eat their fruit. People use the leaves for hats. Can you find a palm tree?
Early Reader · Change the reading level on the articleSaber-toothed predator
Some old animals had long teeth. These teeth looked like swords. They grew out of the mouth. These animals were hunters. They lived a long time ago. Do you think they were scary?
Early Reader · Change the reading level on the articleSable
The sable is a small animal. It lives in the woods. Its fur is brown. People like its soft fur. It can climb trees well. Do you like to climb?
Early Reader · Change the reading level on the articleSacrum
You have a bone at your base. It is shaped like a triangle. It helps hold up your spine. It also connects to your hip bones. This bone helps you stand tall. Can you feel your hips?
Early Reader · Change the reading level on the articleSafflower
Safflower is a tall plant. It has bright flowers. The flowers can be red or orange. These plants grow deep roots. The roots find water in dry soil. We use the seeds to make oil. Do you like oil on your food?
Early Reader · Change the reading level on the articleSahelanthropus
A long time ago, a special ape lived. It lived in a place called Chad. We found its old skull in the sand. It helps us learn about our past. We call it Toumaï. Do you like to learn about old things?
Early Reader · Change the reading level on the articleSaiga antelope
The saiga is a special animal. It lives in big, open fields. It has a funny nose that points down. This nose helps it breathe. It can swim across rivers too. Do you want to see them run?
Early Reader · Change the reading level on the articleSailfish
The sailfish is a fast fish. It lives in the deep blue sea. It has a big fin on its back. This fin looks like a sail. It can swim very fast to catch food. It is a cool fish to see! Do you like fast fish?
Early Reader · Change the reading level on the articleSaldidae
Shore bugs live by the water. They have round bodies. They can jump or fly away. These bugs eat other small things. They like to stay near the coast. Can you find one near a lake? We can look for them together!
Early Reader · Change the reading level on the articleSalicaceae
Some plants are in a big family. They can be small bushes. They can be tall trees. Many have leaves with tiny teeth. These teeth help the plant. Do you like looking at leaves?
Early Reader · Change the reading level on the articleSaliva
Spit is a wet liquid in your mouth. It helps you eat your food. It makes food easy to swallow. It also helps keep your teeth clean. It is mostly made of water. Do you feel it in your mouth?
Early Reader · Change the reading level on the articleSalivary gland
Your mouth makes spit. It helps you eat. It also keeps your teeth safe. It helps you taste food. It is very helpful! Can you feel your spit?
Early Reader · Change the reading level on the articleSalix babylonica
The weeping willow is a big tree. Its long branches hang down low. The leaves are light green. In the fall, they turn gold. This tree grows very fast. Do you like big trees?
Early Reader · Change the reading level on the articleSalix nigra
The black willow is a big tree. It likes to grow in wet mud. Its leaves are a shiny green. The bark is very dark. It can grow near a stream. Do you like to see trees by the water?
Early Reader · Change the reading level on the articleSalmonella enterica
Tiny germs live in food. They can be in eggs or meat. These germs can make us sick. We must cook our food well. This keeps us safe and healthy. Do you wash your hands?
Early Reader · Change the reading level on the articleSalonga National Park
This is a big forest in Africa. It is a home for many animals. You can find monkeys and elephants there. It helps keep the land safe. We must help it stay green. Can you name a forest animal?
Early Reader · Change the reading level on the articleSalp
Salps are clear sea animals. They look like jelly. They swim by pushing water. They eat tiny bits in the sea. They can live in long chains. Do you want to see them swim?
Early Reader · Change the reading level on the articleSaltasauridae
These were big dinosaurs. They had long necks. They ate plants for food. Some had hard skin for armor. They lived a long time ago. Do you like big dinosaurs?
Early Reader · Change the reading level on the articleSaltwater crocodile
The saltie is a big reptile. It lives in water. It is very large. It can be a scary animal. We must be careful near them. Do you like big animals?
Early Reader · Change the reading level on the article