A sunflower plant changes with age or
A plant responds to shade when it bends toward
Trees reproduce by making
What do alligators lay to make more of their own kind?
What are water and sunlight in nature?
Rocks are nonliving because they don not grow, respond or
All living things need food, water, space and what to survive?
Animals eat other organisms because they need what for energy?
Living things need what to break down food?
Air and water contain a what called oxygen?
What gases do plants need in order to survive?
oxygen and carbon dioxide
Living things need room or what to grow, move and find food?
Living and nonliving things are a part of an organism called what?
Living things are made up of small parts called what?
A tool called what helps us to see cells?
Organisms that have one cell and live in many places are called?
One way in which plants are alike is that they make their own what?
Roots, stems, and leaves help a plant get what it need in order to what?
Roots collect water from where?
Carrots have a thick root or what that stores food?
Roots take in what that helps plants grow and stay healthy?
The plant part that holds up leaves to sunlight is the what?
Stems have what that carry food and water through a plant?
A tee has a hard, woody stem called a(n) what?
Leaves are important because what is made in the leaves?
Plants get energy from the what to make food?
Plants change carbon dioxide and water into what that they use for food?
Leaves have tiny holes that take in what?
When you breath, you take in what that plants release?
Scientists study plants by putting them into what?
Scientists group plants by their what such as roots, stems or leaves?
One characteristic that most animals have in common is that they can
Unlike plants, animals cannot make their own
Animals are able to what to their environments much more noticeably than plants
Wings and tails are what that help animals get what they need?
Animals move toward food and away from?
Wolves can run and jump because of their what?
Fins and tails help what move through the water
Ducks and geese have what that help them swim?
Birds use structures called what to get food and water?
Lions use their sharp what for biting?
Animals that have flat back teeth use them for what?
Lungs and gills help animals take in what?
A what helps protect animals from bad weather?
Rocks and what are examples of safe places, or shelters, for animals?
A snail has a(n) what to keep it safe in its environment?
Scientists group or what animals so that they can study them?
One way to classify animals is by the presence or absence of a what?
The covering around an insect is thin and what?
a spider is an invertebrate because it is covered by a(n) what?
Crabs have an exoskeleton called a what?
Birds have lightweight bones and wings to help them what?
Birds and what have lungs and they lay eggs?
Reptiles live in wet or dry places because their skin is what?
Frogs and toads breathe through what when they are young?
Amphibians can live on land because they grow lungs and what?
Fish have scales and a what shape to move easily through water?
People are a kind of vertebrate called a what?
Mammals feed what to their young?
Some mammals are covered with thick what?
Mammals use their what to breathe?