Anomalocaris
This was a big sea animal. It lived long ago. It had many flaps to swim. It used arms to grab food. It was a king of the sea. Do you think it was scary?
Early Reader · Change the reading level on the articleLife Science articles — Page 34
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 34 of 116
Anomalopidae
Some fish have lights under their eyes. These lights shine in the dark sea. They use them to find food. The lights help them talk to friends. It is like a little lamp. Can you see the light?
Early Reader · Change the reading level on the articleAnomura
Some sea animals look like crabs. They have ten legs. But some legs stay hidden. They use them to clean. These animals are very different. Do you like crabs?
Early Reader · Change the reading level on the articleAnopheles
This is a type of mosquito. They live near water. They lay eggs on the water. Some of them can make people sick. We must be careful around them. Do you see them in your yard?
Early Reader · Change the reading level on the articleAnoplotheriidae
These were old animals from long ago. They lived in Europe. Some were small. Some were very big. Some could climb trees. Others stood up to eat. Can you imagine them?
Early Reader · Change the reading level on the articleAnoplotherium
A long time ago, there lived a beast. It lived in a place called Europe. It had a very long tail. It ate plants for food. It was a big animal. Can you find its long tail?
Early Reader · Change the reading level on the articleAnosmia
Some people cannot smell. They may not smell flowers. They may not smell food. This can happen for a long time. It can happen from birth. It can even happen from a cold. It is okay to be different. Can you smell a…
Early Reader · Change the reading level on the articleAnser (bird)
These are geese. They can be grey or white. They have orange or pink feet. Some have black wings. They live in wet places. These birds fly to warm spots in winter. They are very cool! Have you seen a goose?
Early Reader · Change the reading level on the articleAntarctic fishes
Some fish live in very cold water. They stay safe in the ice. They have special things in their blood to stop them from freezing. This helps them live in the deep sea. It is a very cool place! Do you like the cold?
Early Reader · Change the reading level on the articleAntarctic toothfish
The toothfish is a big fish. It lives in very cold water. It is black or brown. This fish eats smaller fish. It helps keep the ocean healthy. Can you swim in cold water?
Early Reader · Change the reading level on the articleAntelope jackrabbit
This is a big hare. It lives in the dry desert. It has very long ears. It can hop very fast. It eats green plants and grass. Do you like fast animals?
Early Reader · Change the reading level on the articleAntenna (zoology)
Small bugs have feelers on their heads. These feelers help them sense the world. They can smell food in the air. They can feel things touch them. This helps the bugs stay safe. Do you have feelers too?
Early Reader · Change the reading level on the articleAnterior cruciate ligament
A part in your knee helps you move. It is a strong band. It keeps your knee steady. It helps you run and jump. It is very important for you. Do you like to play sports?
Early Reader · Change the reading level on the articleAnthias anthias
This is a bright fish. It lives in the sea. It is pink or red. It hides in rocks. It comes out at night to eat. You can see them in tanks. Do you like red fish?
Early Reader · Change the reading level on the articleAnthony Fauci
Anthony Fauci is a doctor. He studies germs. He helps keep people safe. He works with many leaders. He helps find ways to stop sickness. He has helped many people stay well. Do you want to be a doctor?
Early Reader · Change the reading level on the articleAnthoxanthin
Some plants have colors in them. These colors can be white or yellow. They are in flower petals. They are also in food like kale. This helps our bodies stay well. It is neat to see! Do you see yellow flowers?
Early Reader · Change the reading level on the articleAnthozoa
Some sea animals look like flowers. They live in the ocean. They stay on the sea floor. These animals catch food with tiny arms. They can be soft or hard. Do you like the sea?
Early Reader · Change the reading level on the articleAnthracotheriidae
{ "text": way back, these animals lived. \nThey looked like thin hippos. They had wide feet for mud. They could dig for food. These animals are now gone. Do you like old bones?", "media": [ "File:Microbunodon.JPG" ] }
Early Reader · Change the reading level on the articleAnthracotherium
A long time ago, a beast lived. It looked like a hippo. It ate leaves and fruit. It lived in many far places. This animal is gone now. Can you find its bones?
Early Reader · Change the reading level on the articleAntibiotic sensitivity testing
Doctors use tests to fight germs. They check which medicine works best. Some germs do not like the medicine. This helps you get well. It is very smart! Do you want to be healthy?
Early Reader · Change the reading level on the articleAntibiotic use in livestock
Some medicines help sick farm animals. These medicines can also help animals grow. But using too much can be bad. It can make tiny germs very strong. These strong germs can make us sick too. We must use medicines…
Early Reader · Change the reading level on the articleAnticoagulant
Some things help blood stay thin. This helps it flow well. It stops blood from getting stuck. It can help people stay healthy. It is very useful. Do you like to stay healthy?
Early Reader · Change the reading level on the articleAntidote
Some things can make us sick. A special medicine can help. It fights the bad stuff. It makes us feel better. Doctors use it to keep us safe. Can you stay healthy?
Early Reader · Change the reading level on the articleAntifungal
Some tiny things can make us sick. They are called fungi. Doctors give us medicine to stop them. This medicine helps our skin and eyes. It keeps us feeling well. Have you ever had a tiny itch?
Early Reader · Change the reading level on the articleAntigen
Tiny things can enter your body. Some of these things are not like you. Your body sees them and acts. It works to keep you safe. This helps you stay well. Do you feel strong today?
Early Reader · Change the reading level on the articleAntigone (bird)
These are very big birds. They are in the crane family. Some are called sarus cranes. They are beautiful to see. We can learn about them. Do you like big birds?
Early Reader · Change the reading level on the articleAntihistamine
Some pills help you feel better. They help when you sneeze a lot. They also help when you itch. These pills stop allergies. They make you feel good. Do you ever sneeze a lot?
Early Reader · Change the reading level on the articleAntilocapridae
The pronghorn is a small animal. It lives in North America. It has small horns on its head. These horns fall off and grow back. It eats plants to stay strong. You can see them in the wild! Have you seen a pronghorn?
Early Reader · Change the reading level on the articleAntimicrobial
Some things kill tiny germs. They can stop germs from growing. These help keep us from getting sick. They help us stay healthy. We use them every day. Do you wash your hands?
Early Reader · Change the reading level on the articleAntimicrobial resistance
Tiny germs can change. They learn to hide from medicine. This makes it hard to get well. We must use medicine the right way. This helps us stay strong. Do you wash your hands?
Early Reader · Change the reading level on the articleAntiparasitic
Some medicines fight tiny bugs. These bugs live inside bodies. The medicine stops them from growing. This helps people stay well. It is good to use them the right way. Have you ever taken medicine?
Early Reader · Change the reading level on the articleAntiseptic
Some liquids help keep us safe. They kill tiny germs on our skin. This helps stop us from getting sick. We use them on cuts and scrapes. It is a good way to stay well. Do you use these at home?
Early Reader · Change the reading level on the articleAntler
Deer have big bones on their heads. These are called antlers. They grow back every year. Males use them to fight. They also help them look strong. Do you think they are heavy?
Early Reader · Change the reading level on the articleAntlion
An antlion is a small bug. It lives in dry sand. The baby bug digs a pit. It waits for ants to fall in. This helps the bug eat. Do you like looking for bugs?
Early Reader · Change the reading level on the articleAntónio Egas Moniz
Egas Moniz was a doctor. He helped people with their brains. He found new ways to see inside the head. He won a very big prize. He worked hard to help others. Do you want to be a doctor?
Early Reader · Change the reading level on the articleAnurognathidae
These were small flying things. They lived a long time ago. They had big eyes to see at night. They liked to eat bugs. They were very cool to find. Do you like bugs?
Early Reader · Change the reading level on the articleAnus
All animals must get rid of waste. It leaves the body at the end. This is the opposite of the mouth. It helps keep the body clean. It works well for many living things. Can you name an animal? We all need to stay…
Early Reader · Change the reading level on the articleAorta
A big tube carries blood. It starts at your heart. It goes down to your belly. It helps all your parts. This blood carries what you need. It is very important. Can you feel your heart beat?
Early Reader · Change the reading level on the articleApatosaurus
The Apatosaurus was a huge dinosaur. It had a very long neck. It also had a long tail. It ate plants for food. This big animal lived long ago. Can you imagine seeing one?
Early Reader · Change the reading level on the articleApex predator
Some animals are at the top. They hunt other animals. No other animals hunt them. This helps keep nature in balance. It is a big job. Do you know a top hunter?
Early Reader · Change the reading level on the articleAphasia
Some people have trouble talking. It happens in the brain. They may forget words. They may find it hard to read. They are still very smart. Do you use many words?
Early Reader · Change the reading level on the articleAphelida
Some tiny things live in the world. They are like mushrooms. They are very, very small. You cannot see them with your eyes. They are a special kind of life. Do you want to look for them?
Early Reader · Change the reading level on the articleAphonopelma chalcodes
This is a desert spider. It lives in the hot sand. It makes a deep home in the ground. It is a very calm spider. We can watch it in the sun. Do you like spiders?
Early Reader · Change the reading level on the articleAphrophoridae
Some bugs live in foam. This foam is called spittle. The bugs stay safe inside it. It helps them grow. You might see it on a plant. Can you find some foam in a garden?
Early Reader · Change the reading level on the articleApicomplexa
Some tiny things live inside animals. They are too small to see. They use a special tip to get inside. This helps them find food. They can make people sick. Do you want to learn more?
Early Reader · Change the reading level on the articleAplacophora
These animals live in the deep sea. They look like tiny worms. They do not have shells. They live on the ocean floor. It is a dark place. Can you find them in the water? We can learn more soon.
Early Reader · Change the reading level on the articleAplysiida
Sea hares live in the ocean. They look like big, soft slugs. They have two parts on their heads that look like ears. This helps them smell food. They eat green seaweed. They can also hide in red seaweed. Can you find…
Early Reader · Change the reading level on the articleApollonius of Tyana
Apollonius was a wise teacher. He lived a long time ago. He traveled to many far lands. He taught people how to live well. He did not eat meat. Do you like to learn new things?
Early Reader · Change the reading level on the article