Science – Chapter 4
How Living Things Grow and Change
The test for this chapter will be
.
Vocabulary
Seedling – A seedling is a young plant. The small seedling grows roots, a
stem, and leaves.
Life Cycle – The way a living thing grows and changes is called its life cycle.
Living Things – Living Things need food and water, grow and change, and
can be parents. Plants and animals are living things that can grow, change,
and be parents.
________________________________________________________
Living Things Grow and Change
• Different living animals, like a sea turtle, horse and dog,
can grow to be parents.
• Baby animals can look like their parents except for some
differences, such as colors and spots.
• A sea turtles life cycle begins with the egg being laid.
• A seedling looks like a small plant with a stem, roots
and leaves.
• As a baby develops into an adult, they continue to grow
and get taller.
• The life cycle of a dragonfly begins with eggs in the
water.
Chapter 4 Concept Web
How Living Things Grow and Change
________________________________________________________
Life Cycles
Sea Turtle
1. The sea Turtle starts life as an egg.
2. A young sea turtle comes out of the egg.
Young sea turtles look like their parents
3. One day the sea turtle may have young of its own.
Dragonfly
1. Dragonflies start life as eggs
2. A nymph hatches from the dragonfly egg
3. The nymph becomes an adult dragon fly with wings and may lay eggs.
Horse
1. A young horse is called a foal.
2. The foal grows until it becomes an adult horse.
3. The adult horse is old enough to have foals of its own.