Why is grass green?


Grass is green because it contains a pigment called chlorophyll. Chlorophyll is used in the process of photosynthesis - which is when the plant produces sugar from being in the sunlight. Watch a video on photosynthesis here.

Why is fertilizer good for a plant?


Fertilizer supplies the elements that plants need in a readily available form and this makes the plant grow faster. The most important elements a plant needs are nitrogen, phosphorus and potassium.


PlantsWhat Makes a Plant?

What do they all have in common? The big thing that connects plants is photosynthesis. Photosynthesis is the process that allows plants to take energy from the Sun and create sugars. Not all plants go through the process of photosynthesis. As with all of biology, there are exceptions and you may learn about plant species that are parasites.

There are approximately 350,000 species of plants which include trees, herbs, bushes, grasses, vines, ferns and mosses.

Most of the solid material in a plant is taken from the atmosphere. Through a process known as photosynthesis (see video above) plants use the energy in sunlight to convert carbon dioxide from the atmosphere, plus water, into simple sugars. These sugars are then used as building blocks and form the main structure of the plant. Chlorophyll, a green-colored pigment is essential to this process; it is generally present in plant leaves, and often in other plant parts as well.

Plants rely on soil primarily for support and water, but also obtain nitrogen, phosphorus, and other crucial nutrients. For the majority of plants to grow successfully they also require oxygen in the atmosphere and around their roots for respiration. However, some plants grow underwater, using oxygen dissolved in the surrounding water.


rainforestWhy is protecting the rainforest so important? Rainforests are home to half of all living plant and animal species on Earth. It is estimated that there are as many as 80 different species of trees per acre. There is also an extremely diverse range of animal life found throughout the rainforest.

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