02.19.25_ G5SCI_SD_3.12A_E_Salinas

Open Ended

Everyday Phenomenon

What do you notice and wonder about the images of the birch forest?

I notice ___________ and I wonder ___________

Open Ended

1 Build Background

Identify what you know about hibernation and dormancy.

Open Ended

What season do you think is being represented by the image? Explain your reasoning.

Multiple Choice

Which two organisms can go into dormancy?

• Frogs and turtles
• Mice and rabbits
• Fish and birds
• Flowers and cactus

Multiple Choice

What are the two reason plants can go dormant?

• Excessive sunlight
• 1. Cool temperatures 2. Low precipitation (Drought)

• Nutrient overload
• High humidity

Multiple Choice

What does a dormant tree look like?

• A dormant tree is full of vibrant green leaves.

• A dormant tree is covered in thick, lush foliage.

• A dormant tree looks bare with no leaves and dry branches.

• A dormant tree has colorful flowers blooming.

Open Ended

Why does a tree in a cold region lose its leaves?

Multiple Choice

Most plant species usually bloom in spring but can begin flowering in winter

because of an unusually warm month. What would MOST LIKELY explain this

behavior?

• Plants bloom based on soil moisture levels.
• Plants respond to temperature changes and can disrupt their dormancy cycle.

• Flowering is triggered by increased daylight hours.
• Plants require a specific amount of rainfall to flower.

Multiple Choice

Many flowers like a daffodil bloom every spring after a cold winter but not after a mild winter. What explains this observation?

• Daffodils bloom only in summer regardless of winter conditions.
• Daffodils require direct sunlight to bloom, which is not affected by winter temperatures.
• Daffodils can bloom any time of the year if watered sufficiently.
• Daffodils require cold temperatures that trigger their growth.

Multiple Choice

When there isn't enough water, what will trees do to go into dormancy?

• Trees go into dormancy by reducing growth activities (stop growing) and conserve water.

• Trees shed all their leaves to prevent water loss.
• Trees increase leaf size to absorb more sunlight.
• Trees grow deeper roots to find underground water.

Multiple Choice

These are bluebonnets, the Texas state flower. They bloom once winter is over. What can cause them to go into dormancy?

• Excessive rainfall
• Cold temperatures
• High humidity
• Extreme heat, drought, or lack of nutrients.

Open Ended

Why would a desert tree keep its leaves but stop growing?

Open Ended

Dormancy means to remain inactive. When a plant is dormant, they do not grow. Make a list of 3 plants that become dormant during certain times of the year. 

 

Explain why a plant might need to become dormant.

Open Ended

Why do trees lose their leaves and go dormant when the temperature gets cold and there is less rain?

Open Ended

Why does the tree in the center have brown leaves?

The tree in the center has brown leaves because____.

Open Ended

What environmental factor is MOST LIKELY causing this response?