Europasaurus
This was a small dinosaur. It lived a long time ago. It lived on a small island. It ate plants to grow. This lizard was very cool! Do you like dinosaurs?
Early Reader · Change the reading level on the articleLife Science articles — Page 57
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 57 of 116
Explore related Science Lab activities about plants, animals and ecosystems or the human body, each at five reading levels.
European conger
This is a big eel. It lives in the sea. It can be grey or black. It likes to hide in rocks. The eel hunts at night. It is very heavy. Do you like big fish?
Early Reader · Change the reading level on the articleEuropean dark bee
This is a dark bee. It is dark brown or black. It has a thick body. These bees can be a bit grumpy. We must be careful with them. Do you like bees?
Early Reader · Change the reading level on the articleEuropean eel
The eel is a long fish. It lives in the water. It swims in the sea and in rivers. It likes to hide in rocks. Eels are hard to find. Do you like to look for fish?
Early Reader · Change the reading level on the articleEuropean fallow deer
The fallow deer is a pretty animal. They live in woods and grass. Some have spots. Some are all white. They can run very fast. They like to eat grass. Do you like deer?
Early Reader · Change the reading level on the articleEuropean hare
The brown hare lives in open fields. It is a very fast runner. It eats green grass and plants. This helps it run away from foxes. The hare is a shy animal. Can you see a hare in a field?
Early Reader · Change the reading level on the articleEuropean honey buzzard
This bird likes to eat wasps. It has tough feathers on its head. These feathers act like armor. They help it stay safe from stings. It uses long claws to dig for food. Can you find this bird in the woods?
Early Reader · Change the reading level on the articleEuropean mink
The European mink is a small animal. It lives near rivers and streams. It likes to swim and dive. It eats fish and frogs. This little animal needs our help. Can you see its white chin?
Early Reader · Change the reading level on the articleEuropean perch
The perch is a fish. It lives in lakes and rivers. It has dark stripes on its side. The fish can be green. People like to catch them. Do you like to see fish?
Early Reader · Change the reading level on the articleEuropean polecat
The polecat is a small animal. It has dark fur. It has a light belly. It has a dark mask on its face. It lives in the woods. It likes to eat small birds. Do you like animals?
Early Reader · Change the reading level on the articleEuropean rabbit
The rabbit is a small animal. It lives in many places. It eats grass and leaves. It digs holes to hide in. These holes are called warrens. It is fun to watch them run. Do you like rabbits?
Early Reader · Change the reading level on the articleEuropean shag
The shag is a black bird. It lives by the sea. It dives deep to find fish. This bird is a great diver. It helps us learn about the ocean. Do you like to swim?
Early Reader · Change the reading level on the articleEuropean spadefoot toad
This toad likes to dig. It lives in the sandy ground. It uses its feet to dig holes. The toad comes out when it rains. It grows very fast in small pools. Can you find one in the dirt?
Early Reader · Change the reading level on the articleEurypterus
These were sea scorpions. They lived in the water. They had big legs for swimming. They could catch food to eat. They are very old. Do you like sea animals?
Early Reader · Change the reading level on the articleEurytherm
Some living things like heat and cold. They can live in many places. Humans can do this too. It helps us stay safe. We can live in many lands. Do you like the sun or the snow?
Early Reader · Change the reading level on the articleEusociality
Some bugs live in big groups. They all work together. Some bugs find food. Some bugs help the babies. This helps the whole group stay safe. It is a big team! Do you like working in a team?
Early Reader · Change the reading level on the articleEusthenopteron
This was a big fish. It lived in the water. It could eat small fish. This fish is like our own bones. We can learn from its life. Do you like old fish?
Early Reader · Change the reading level on the articleEutriconodonta
Some old mammals lived a long time ago. They lived in many far places. Some were small like a bug. Some were big like a badger. They had fur on their bodies. They could even glide through the air! Do you like animals…
Early Reader · Change the reading level on the articleEvolutionary biology
Living things change over a long time. These changes help them live well. Some traits help them stay safe. These traits pass to their babies. It helps all life on Earth. Can you see changes in nature?
Early Reader · Change the reading level on the articleEvolutionary developmental biology
Scientists study how babies grow. They look at tiny parts. These parts help make a body. This helps us learn about life. It is very cool! Do you like to learn about animals?
Early Reader · Change the reading level on the articleEvolutionary history of plants
Plants started in the water. They lived in green mats. Then they moved to land. They grew roots and leaves. Now plants are all around us. Do you like to look at plants?
Early Reader · Change the reading level on the articleEvolution of bacteria
Tiny living things are everywhere. They live in water and rocks. Some lived a long time ago. They help make the air we breathe. They are very small. Can you find them?
Early Reader · Change the reading level on the articleEvolution of birds
Birds came from dinosaurs. Long ago, they had teeth. They also had long tails. Now, birds have feathers. They can fly in the sky. Do you like birds?
Early Reader · Change the reading level on the articleEvolution of brachiopods
Brachiopods are sea animals. They live in the ocean. Long ago, they were everywhere. Now they live in a few places. They have hard shells. Do you like looking at shells?
Early Reader · Change the reading level on the articleEvolution of cetaceans
Whales used to live on land. They moved into the water. They changed over a long time. Now they swim in the sea. They are very special. Do you like whales?
Early Reader · Change the reading level on the articleEvolution of fish
Fish lived in the sea a long time ago. Some fish had no mouths to bite. Then, fish grew mouths with jaws. This helped them eat better. These fish grew into many kinds. They even helped land animals start. Can you…
Early Reader · Change the reading level on the articleEvolution of fungi
Fungi have lived for a long time. They used to live in water. Then they moved to the land. They help the Earth stay healthy. It is fun to find them! Can you find a fungus?
Early Reader · Change the reading level on the articleEvolution of insects
Insects have been around a long time. They lived on land. Some even grew wings to fly. They help plants grow. Insects are very cool. Do you like bugs?
Early Reader · Change the reading level on the articleEvolution of mammals
Animals like us have changed over time. Long ago, our first kin lived on land. They grew into the animals we see now. Some even grew hair to stay warm. This helped them live in new ways. Do you see any animals with hair?
Early Reader · Change the reading level on the articleEvolution of molluscs
Many animals live in the sea. These animals have hard shells. Some shells are small. Some shells are big. They have lived in the sea for a long time. They are very special. Do you like shells?
Early Reader · Change the reading level on the articleEvolution of reptiles
Reptiles lived a long time ago. They lived in wet swamps. Some were very small. Some grew to be huge. They have scales on their skin. Do you like reptiles?
Early Reader · Change the reading level on the articleEvolution of spiders
Spiders have been around a long time. They make silk to help them. They use silk for food and eggs. Some spiders make round webs. They are very cool to see! Do you like spiders?
Early Reader · Change the reading level on the articleEvolution of tetrapods
Long ago, fish lived in the water. Some fish began to change. They grew fins that looked like legs. These legs helped them move in shallow water. This change led to all land animals. We are part of this story too!…
Early Reader · Change the reading level on the articleEvolution of the horse
Long ago, horses were very small. They were the size of a dog. They lived in green forests. They had many toes on their feet. Now, horses are big and fast. They have one toe on each foot. Do you like horses?
Early Reader · Change the reading level on the articleExocrine gland
Your body has many small parts. Some parts make things like sweat. They use tiny tubes to move them. This helps you stay healthy. It is all working for you! Can you feel your skin?
Early Reader · Change the reading level on the articleExocytosis
Cells have tiny bags inside them. These bags carry things. The bags move to the edge. Then they open up. The things go outside the cell. This helps the cell work. Can you imagine being so small?
Early Reader · Change the reading level on the articleExon
Your body has a tiny plan. It is like a long string. Some parts are kept. These parts are the exons. They help make you. They are very small. Can you find them?
Early Reader · Change the reading level on the articleExoskeleton
Some animals wear a hard shell. It stays on the outside. It keeps their soft parts safe. It helps them keep their shape. Some bugs even shed it to grow. Can you find a shell in your yard?
Early Reader · Change the reading level on the articleExotic Shorthair
This is an Exotic Shorthair cat. It has short fur. It has a round head. It has big, round eyes. These cats are very cute. Do you like cats?
Early Reader · Change the reading level on the articleExpression vector
Tiny tools help make things. They go into small cells. These tools tell the cell what to do. They help make medicine for you. It is very cool! Can you imagine a tiny tool?
Early Reader · Change the reading level on the articleExtracellular fluid
Your body is full of water. Most of it stays inside your cells. Some of it stays outside your cells. This water helps your cells work. It carries food to them. It also carries away waste. Do you like to drink water?
Early Reader · Change the reading level on the articleExtranuclear inheritance
Tiny parts in cells help us work. These parts give us energy. We get them from our mothers. They are in the egg. This helps our bodies grow. Can you feel your energy?
Early Reader · Change the reading level on the articleEye color
People have many eye colors. Some eyes are brown. Some eyes are blue. Most people have brown eyes. This color helps us see. It is a pretty world. What color are your eyes?
Early Reader · Change the reading level on the articleEye contact
Eye contact is when we look at eyes. It happens when two people look at each other. It can show if we are happy. It helps us learn about friends. It can even help babies learn. Do you like to look at eyes?
Early Reader · Change the reading level on the articleEyelid
Your eyelids are thin skin. They cover and protect your eyes. They keep your eyes wet. They also keep out dust. Small hairs called lashes help too. Do you blink a lot?
Early Reader · Change the reading level on the articleFabales
Some plants are in a big group. They grow in many places. Some of these plants are food for us. They are also food for bugs. These plants are very special. Can you find a bean plant?
Early Reader · Change the reading level on the articleFacial hair
Some men grow hair on their face. This hair can be on the chin. It can also be on the lip. Some men like to style it. Others shave it off. Do you see hair on faces?
Early Reader · Change the reading level on the articleFacial skeleton
Your face has many hard bones. They stay under your skin. These bones help make your shape. They help you look like you! It is fun to feel your chin. Can you feel your nose?
Early Reader · Change the reading level on the article