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Plants need only two substances for photosynthesis, water and carbon dioxide. Water is absorbed from the soil (or from the water if they are acquatic plants) and carbon dioxide is absorbed from the air (or again, from the water if the plants grow underwater).

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14y ago
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9y ago

Photosynthesis requires light and carbon dioxide (CO2). Furthermore, the plant requires water and nutrients for other growth and other biochemical pathways. Water can be absorbed from the soil. Light and CO2 can be absorbed through the plants leaves.

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9y ago

Plants need sunlight, water and carbon dioxide for photosynthesis. The energy from sunlight is trapped in the chlorophyll while carbon dioxide is taken in through stomata on leaves. Water is, of course, taken up through roots and channeled through the xylem to the leaves.

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9y ago

Plants get the reactants that they need for photosynthesis by absorbing light energy from the sun. They also absorb water and carbon dioxide from the environment around them.

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8y ago

Though there are exceptions, the majority of plants take up water and nutrients through their roots which are anchored in the soil..

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Q: How does a plant get the substances it needs for photosynthesis?
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Related questions

How does the substances for photosynthesis enter and leave the plant?

Leaves


What transports food made by photosynthesis throughout the plant?

the phloem transports organic substances made by photosynthesis throughout the plant, mainly sucrose


What two substances are taking in by the plant and used for photosynthesis?

Oxygen and sunlight.


How does a plant get its gas needs for photosynthesis?

the stomata open


How does a plant get four things it needs for photosynthesis?

sunlight


What do the plants need to do the photosynthesis?

The plant needs carbon dioxide, water and chlorophyll for photosynthesis. It also needs the energy of sunlight.


Is oxygen neccessary for photosynthesis?

No, a plant actually needs carbon dioxide to perform photosynthesis. Oxygen is a product of photosynthesis.


Why does a plant need both photosynthesis and respiration to survive?

A plant needs photosynthesis to produce food in the form of sugar's. A plant needs respiration to break down in order to release energy stored in the sugar's.


In a plant what substances is in the sugar?

I n a plant the substances in sugar are cellulose,sugars which is glucose.


Which substances must a green plant obtain from its environment in order to convert light energy into chemical energy?

The plant needs water, normally from the ground, and carbon dioxide from the air. It also needs other elements, such as nitrogen, to create the chemical compounds that are used in photosynthesis.


What need to be present for a plant to do photosynthesis?

Sun light .Chlorophyll also needs to be present in the plant.


How do substances for photosynthesis enter the plant?

Pores called stomata, which open and close by guard cells.