- A life cycle is defined as the complete succession of changes undergone by an organism during its life. A new cycle occurs when an identical set of changes is begun.
- All organisms go through stages of development.
- Environmental conditions such as water, temperature, and light affect the development of organisms.
- In most mammals the stages of life go from the fertilized egg, to the fetus, the juvenile, and then to the adult.
- Birds go from the egg, to the chick, to the adult.
- Amphibians go from the egg, to the larva, to the adult.
- Plants go from the seed, to the seedling , to the flowering plant.
- Insect go from the egg, to the larva, to the pupa, to the adult.
- Scientists can even describe the life cycle of a star or a plastic bottle.
- Even families can have a life cycle. Most families have the parents come together as a unit. They can then have a child. The child becomes an adult. The new adult leaves home, finds a partner, produces offspring and the life cycle begins again.
Download the Life Cycle Study Pack
Included in this fantastic study pack:
- Study guide and fact file
- Fill in the blank quiz sheet
- Word search
- Describe A Butterfly Worksheet
- Life Cycle Of A Frog Worksheet
Crossword Puzzle: Animal Life Cycles
Exploring Butterflies in Kindergarten
Frog Life Cycle
Life Cycle of the Giant Sea Bass
Mosquito Life Cycle
O. Orkin Insect Zoo
Study Life Cycles With Butterflies
Where Do Butterflies Come From?