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A leaf on a pine tree serves the same purpose as a leaf on any other plant; it is specifically adapted to be a photosynthetic organ. That's the short answer.
If you want to go more in depth... Pine leaves, or needles, are well adapted to avoid herbivory (being eaten by animals) because they are thick, tough, sharp, and contain a distasteful resin.
Also, pines are, of course, evergreen (they do not shed all their leaves at one time at the end of the growing season.) Because of this tough, hardy leaf structure, the tree needs to use more energy to make a needle leaf than a broad leaf plant would use. The fact that the pine leaves are evergreen means that they don't need to waste energy replacing every leaf ever year. Furthermore, some of them live in areas that have short growing seasons (the high latitudes) where they can't afford to waste energy replacing every leaf every year. Evergreen leaves are adventageous here because the tree can hold on to them and photosynthesize all year long.
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Which parts of a plant help it grow?
The roots draw water from the ground, the leaves draw food from the sunlight (photosynthesis), and both these help the plant to grow.
What 2 things do plant leaves take in to help it grow?
Sun's heat and water.
Why does plants have leaves?
the plant has to get chloraphill in the leaves can help a plant
Why do you keep the soil warm but the leaves cool?
The soil has to be warm/moist to help the plant grow but the leaves are cool because if they were warm they would dry out.
How do plants work their parts?
roots-they help keep the plant in the soil stems-they hold the leaves and flowers leaves-grow on stem,they contain chloropyll
What happen to plant leaves grown in light?
the plant leaves will grow healthy.the color will be green
Why do you water the roots of plant rather than the leaves or other organs?
you water the roots rather than leaves and other organs because when u water the roots it makes the plant grow but if you water the leaves the plant wont grow. you water the roots rather than leaves and other organs because when u water the roots it makes the plant grow but if you water the leaves the plant wont grow.
How do plants work through their part?
roots-they help keep the plant in the soil stems-they hold the leaves and flowers leaves-grow on stem,they contain chloropyll
What are the plants that grown through leaves?
kata-kata are plant that grow from leaves
Which solution makes plants grow faster?
Calcium nitrate or potassium nitrate dissolved in water and sprayed on certain plant leaves should help them grow faster than just water alone. The type of solution would vary from plant to plant. Some plants burn when water is sprayed on their leaves.
What plants reproduce by leaves?
kataka-taka is the plant that were going to plant their leaves. they named it kataka-taka because they plant leaves to grow kataka-taka plant
What is the function of leaves of a plant?
Photosynthesis, the leaves contain chlorophyll
