The importance of the sun for living beings

O Sun is a star, and we, who are in the Earth, we are the third planet we revolve around it. He provides us heat and it's a big light energy source, being fundamental for the survival of many living beings.

Read too: What are the stars of the Solar System?

How important is the sun for vegetables?

Vegetables, for example, can only perform thephotosynthesis with the presence of light, as they have a specific pigment, chlorophyll, which is capable of capturing sunlight so that it is transformed into energy. They also produce oxygen, which is used by a large number of living beings on Earth, including us humans.

Sunlight is very important for vegetables.

The intensity of sunlight may vary depending on the seasons. At the Winter and autumn, for example, the days are shorter, so we have less sunlight. In spring and summer, the days are longer, so we have a greater amount of sunlight. These differences in solar incidence are noticed in the different seasons of the year due to the movement of translation

, that is, when the Earth makes a complete turn around the Sun. This movement lasts 365 days and 6 hours, that is, 1 year.

Different solar intensities affect plant life.

Thus, in the difference in solar incidence, we realize that plants produce flowers and fruits at different times. THE spring, for example, is the period of greatest flower production, and the autumn it is the period when the leaves fall most from the trees and produce the most fruit.

How important is the sun to animals?

When we also observe the solar incidence in the animal world, we see that, in the Winter,we have cooler days and nights. At that time many animals make the hibernation, which is a long dormancy period, so they save energy and don't have to go for food. already the summer it is a warmer period with more sunlight, so the animals tend to go out in search of food and a pair to do the mating and having puppies.

Hibernation helps the animal get through winter.

We human beings also use light energy directly, as we need it for the strengthening our bones. When we are exposed to the sun (but it is important that this is done at the proper time), our body activates vitamin D, which helps in strengthening our bone system.

See too: What is the function of sunscreen?

Playing in the sun also helps to activate vitamin D.

Activities

1) Order the letters and form words related to the studied topic.

a) RANSTÓLA

b) AVRE

c) VAREAMRIP

d) SOFTÍESSEONT

Reply

a) Translation

b) summer

c) spring

d) Photosynthesis