Human Impact 2024

A flower closes at night to protect it from the cold. This is an example of a _________

• daily response

• seasonal response

• long term response

• tropism

Deciduous trees shed their leaves in the fall and become dormant. This is an example of a ______

• daily response

• seasonal response

• long term response

• tropism

Opossums are active at night and sleep during the day. This is a ________

• daily response

• seasonal response

• long term response

• a habitat

Coral can experience bleaching due to warming ocean waters. This is an example of ________

• a long term change

• a daily change

• a seasonal change

• an adaptation

A plant grows toward the sun. This is an example of

• geotropism

• phototropism

• root behavior

• habitat

A plant on a hillside still has roots that grow downward. This is an example of ____

• phototropism

• geotropism

• habitat

• soil erosion

Many animals live in ecosystems with cold winters. Often these animals will go dormant during the cold. This helps them to survive and is called ____________

• mitosis

• nocturnal

• hibernation

• metabolism

Many organisms have an internal clock that helps them run on a 24 hour cycle. They help living things know when it is time to eat, time to sleep etc. This is called a ____________

• analog clock

• digital clock

• circadian rhythm

Which of these could be useful to helping to protect sea turtle nesting sites?

• shine bright lights so as to disrupt their circadian rhythms

• Build new factories near the nesting sites

• increase house construction near the beach

• encourage people and pets to avoid the areas where turtles nest

Sea turtles use the moon and stars to help them find nesting sites. Many beach areas have bright lights that makes it difficult for the turtles to find their way. What effect could artificial bright lights have on turtles?

• turtles will lay more eggs

• turtles may have difficulty finding their nests

• turtles will become nocturnal

• turtles will navigate using their cell phones