answersLogoWhite

0

Sunflowers close up their petals in the evening as a part of their circadian rhythm. They track the sun during the day to maximize sunlight absorption for photosynthesis. When the sun sets, they close up their petals to conserve energy and protect their reproductive parts from potential damage.

User Avatar

AnswerBot

1y ago

What else can I help you with?

Related Questions

Why sunflower petals close up?

Sunflower petals close up primarily in response to changes in light and temperature. This phenomenon, known as nyctinasty, helps protect the flower during the night and may aid in conserving moisture. By closing, the petals can also shield the reproductive parts from potential damage caused by cold or rain. In the morning, the petals typically open again to attract pollinators.


When were sunflower seeds invented?

They were never "invented". Sunflower seeds are just that, sunflower seeds. Seeds that contain the genetic makeup up sunflowers that will then germinate in the soil to become a sunflower which will make more sunflower seeds. The question "When did people begin eating sunflower seeds?" is another topic


What is a sunflower's structurtal adaptation?

The sunflower is very tall and its really long roots to absorb up the water.


How does a sunflower seed look when its grown up?

The logical answer is that it looks like a sunflower because that's what it becomes.


Will a sunflower open up?

If by "open up" you mean "bloom", then yes.


Do sunflower seeds come from sunflower?

Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds.


What is the average size of sunflower?

The average size of a sunflower is 2.5 meters (about 8 feet).


What star fish has nine arms?

The correct term is a Sea Star. The sea star bearing [up to] nine arms is called a "fragile star" and is also a close relative to the "sunflower star".


How many seeds can be produced from one sunflower head?

Up to 1,000 seeds can be produced from one sunflower head. Some may produce more or less depending on the exact sunflower.


Is sunflower a beverage?

No. Sunflowers are a plant. At least one company has come up with a beverage made from the seed kernels and they label it a "sunflower beverage".


What is the sunflowers division name?

headAnswer:First, the "Sunflower" is native to the Americas.The sunflower is comprised of many smaller flowers very close together, forming what is known as florets. These florets as a whole is called the head or flower of the sunflower. The florets, spiral forming the flower/head and can grow to as large as 15" (381mm) in diameter and up to 15 feet (4.57M) tall.


How big does a sunflower need to be to bloom?

Up to the height of a house!