The average size of a sunflower is 2.5 meters (about 8 feet).
Not necessarily. While a smaller than average head will definitely have smaller seeds, a larger than average head will simply have more seeds of the typical size. There is an upper limit on how large sunflower seeds can be (the limit depends on the breed of sunflower).
This will depend on the cultivar of the sunflower.
Depending on the size of the sunflower - 34, 55 or 89
a sunflower is about 8-12 feet tallup to 8 feet tall
On average, a sunflower plant can produce about 10 liters of oxygen per hour during daylight hours. This amount can vary depending on factors like the plant's size, age, and health.
a few months
By eating sunflower seeds
41x51 cm (16x20 in).
It all depends if you are talking about the decorative sunflower, or the flower that bears the edible seeds. The decorative flower can be about 25 cm in diameter, and the sunflower with the edible seeds almost twice that.
One cup of sunflower kernels typically contains around 140 to 150 grams, which is roughly 1 to 1.5 cups of whole sunflower seeds, depending on their size and how tightly they are packed. The number of individual kernels can vary, but on average, there are about 2,000 to 3,000 kernels in a cup. This can fluctuate based on the specific variety and processing of the seeds.
A cardinal can help increase the size of the sunflower population in its ecosystem by feeding on sunflower seeds and unintentionally spreading them around through its droppings. This helps disperse the seeds to new locations where they can germinate and grow, contributing to the overall population of sunflowers in the ecosystem.
The average height for the sun is about 2,713,406 miles.