1. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
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2. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Florida Benchmark
SC.4.L.17.1 Compare the seasonal changes in Florida plants and animals to those in other regions of the country.
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3. Changing with the Seasons
Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Changing with the Seasons
Every place in the United States has four seasons: winter, spring, summer, and fall. However, the weather is different in many places.
The seasonal changes in temperature and sunlight affect living things.
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4. Changing with the Seasons
Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Changing with the Seasons
During winter, places get less direct sunlight. Because of the decrease in sunlight, the temperatures go down.
During summer, places get more direct sunlight. Because of the increase in sunlight, temperatures go up.
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5. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Plants and Seasons
During winter, trees are bare and dormant. Dormancy is a rest period for plants.
During dormancy, plants do not grow and reproduce. This helps them save energy when there is less sunlight.
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6. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Plants and Seasons
When the temperatures begin to increase in the spring, many plants begin to grow.
Many plants grow and reproduce during the summer.
In the fall, they begin their dormancy period.
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7. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Plants and Seasons
Plants such as palm trees and evergreens do not lose their leaves in the fall. But they still might become dormant if temperatures are low.
Florida has many palm trees.
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8. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Animals and Seasons
Some places have few plants for animals to eat during the winter. During this time, some animals enter an inactive state called hibernation.
The fur on some animals changes color during winter to help them blend in with their surroundings.
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9. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Animals and Seasons
Some animals move as a group to another location to spend the winter in warmer places. This is called migration.
Humpback whales and manatees migrate.
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10. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Winter Foods
During the summer, food crops are grown across the United States.
Foods are less expensive because they do not have to be transported as far.
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11. Unit 10 Lesson 1 How Do Organisms Change with the Seasons?
Winter Foods
In some states, such as Florida, the climate is mild year round.
In these states, food crops are grown year round. During the winter, they are transported to other states.
Sometimes freezing weather damages food crops. As a result, food prices go up.
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