The patterns on leaves are caused by the arrangement of cells and tissues within the leaf, including the veins that transport water and nutrients. These patterns help optimize photosynthesis by ensuring an even distribution of resources and efficient gas exchange. Additionally, genetic factors can also influence the specific patterns that develop on different plant species.
The process that causes leaves to become larger is called cell division and elongation, which is driven by the plant hormone gibberellin. This hormone promotes cell growth and expansion in the leaves, leading to an increase in their size.
Deciduous trees lose their leaves in the fall season. This process is called leaf abscission, and it occurs when the tree sheds its leaves in response to changing daylight patterns and cooler temperatures.
Epidemiologists would study the causes of a present-day epidemic. They investigate the patterns and causes of diseases in populations to help prevent and control outbreaks.
To accurately identify poplar leaves, look for their distinctive triangular shape with serrated edges. Poplar leaves are typically large and have a glossy green color. Additionally, they often have a flattened petiole that causes the leaves to flutter in the wind.
Hardwood trees have broad, flat leaves with intricate venation patterns. These leaves are typically deciduous, meaning they fall off the tree annually. Examples of hardwood trees include oak, maple, and cherry.
pinnate and palmate
no
dhfhfkjngt
The tide
Daylight
Gravity
Gravity
Gravity
i need to know what in the environment changes the leaves to drop
Spaceless patterns.
too much water
anthocyanins