Are there single-celled eukaryotes?

When speaking of prokaryotes, we generally refer to a cellular structure without a nucleus in which the genetic material is dispersed in the cytoplasm. Organisms made up of this type of cell are included in the empire prokaryotaa top-level taxonomic rank that is divided into the domains Archea Y Bacterium. All prokaryotic organisms are unicellular […]

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Are there living things without cells?

The concept of life from a biological point of view refers to the capacities of metabolism, reaction to external stimuli, growth and reproduction, generally also to the capacities of being born and dying. The physical beings with these capabilities would be considered aliveUnlike the Inert beings. The idea of ​​biological life has been closely linked […]

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Are there anaerobic animals?

An anaerobic organism is one that does not require oxygen to live. Some, the so-called strict anaerobes, can even die in the presence of oxygen. Anaerobes are very common among bacteria, which are prokaryotes, and also among protists and fungi, both of which are eukaryotes. Plants are characterized by carrying out oxygenic photosynthesis, and therefore […]

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Are mushrooms plants?

In a short answer: no, mushrooms are not plants, they are fungi. It is common for many people to have this confusion, but nothing is further from reality. mushrooms, like organism belonging to the kingdom Fungi (to which all fungi belong), are genetically closer to animals than to plants. For example, chlorophyll (a substance not […]

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Are fungi autotrophs or heterotrophs?

An organism is heterotroph when the organic matter you need is obtained from external sources. Subsequently, this organic matter is used in the different metabolic routes and transformed into the different components of the organism, but the primary source of organic matter is substances synthesized by other organisms. This is how animals feed, for example. […]

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Are frozen vegetables as nutritious as fresh?

freezing is a preservation method fast, effective and easy to implement in which the food industry has found a good way to preserve the qualities of the vegetable since it is collected until it reaches the homes of consumers. But are fresh vegetables and frozen vegetables equally healthy? Do they have the same nutritional quality? […]

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How do birds fly?

Flight is the form of movement used mainly by birds, which tend to walk clumsily with a few exceptions, for example the ostrich, and also by other animals, such as many insects and a few mammals. An essential requirement for an object to be able to fly, that is, to move through the atmosphere overcoming […]

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How do chameleons change color?

Chameleons are a type of lizards that make up the family Chamaeleonidae. There are about 200 species, all of them native to Europe, Africa and Asia. It can also be found as an introduced species in Hawaii and some regions of North America. Although they are very famous for change color, only some species can […]

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How do colorblind people see?

The colour blindness is a genetic alteration which causes difficulty distinguish colors. It is common to believe that color blind people see in gray scale, but this is not true in most cases since color blindness usually affects specific colors. In fact, achromatic color blindness, which is the type of color blindness in which no […]

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How do fossils form?

The term fossil, which comes from the Latin fossil (that which is excavated), refers to remains of organisms that lived long ago and are preserved petrified in sedimentary rocks of the earth’s crust. The set of all the fossils on the planet, including the undiscovered ones, is known as the fossil record and is studied […]

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How do fossils form?

The term fossil, which comes from the Latin fossil (that which is excavated), refers to remains of organisms that lived long ago and are preserved petrified in sedimentary rocks of the earth’s crust. The set of all the fossils on the planet, including the undiscovered ones, is known as the fossil record and is studied […]

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How do I remove cookies from my computer?

Cookies on computers are files stored by internet browsers. Although the exact method of removing them may vary a bit from browser to browser, it’s generally very easy. Simply go to the “Tools”, “Options” or “Settings” menu of the browser you use and search for the option to delete cookies, usually next to the delete […]

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