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Write an article about animals

Animals have several characteristics that set them apart from other living things. Animals are eukaryotic and multicellular, [7] [8] unlike bacteria, which are prokaryoticand unlike protistswhich are eukaryotic but unicellular. Unlike plants and algaewhich produce their own nutrients [9] animals are heterotrophic[8] [10] feeding on organic material and digesting it internally.

The blastula is a stage in embryonic development that is unique to most animals, [14] allowing cells to be differentiated into specialised tissues and organs.

write an article about animals

Structure All animals are composed of cells, surrounded by a characteristic extracellular matrix composed of collagen and elastic glycoproteins. This may be calcified, forming structures such as shellsbonesand spicules.

Typically, there is also an internal digestive chamber with either one opening as in flatworms or two openings as in deuterostomes. Nearly all animals make use of some form of sexual reproduction.

In sponges, blastula larvae swim to a new location, attach to the seabed, and develop into a new sponge. This may take place through fragmentation ; buddingsuch as in Hydra and other cnidarians ; or parthenogenesiswhere fertile eggs are produced without matingsuch as in aphids.

Animals are categorised into ecological groups depending on how they obtain or consume organic material, including carnivoresherbivoresomnivoresdetritivores[35] and parasites. In carnivorous or omnivorous species, predation is a consumer-resource interaction where a predator feeds on another organism called its prey.

Herbivores eat plant material directly, while carnivores, and other animals on higher trophic levelstypically acquire energy in the form of reduced carbon by eating other animals.

The carbohydrateslipidsproteinsand other biomolecules are broken down to allow the animal to grow and to sustain biological processes such as locomotion. Lineages of arthropods colonised land around the same time as land plantsprobably between — million years ago during the Late Cambrian or Early Ordovician.

Largest and smallest Further information: Largest organisms and Smallest organisms The blue whale Balaenoptera musculus is the largest animal that has ever lived, weighing up to metric tonnes and measuring up to For instance, around 25,—27, species of nematodes have been described, while published estimates of the total number of nematode species include 10,—20,; ,; 10 million; and million.Busca trabajos relacionados con Can write article animals o contrata en el mercado de freelancing más grande del mundo con más de 14m de trabajos.

Es gratis . Article shared by Introduction: The dog is a well-known animal. It is a four-footed animal. It is a faithful friend of man.

In its wild sate, it becomes very dangerous.

Tax Write-Offs for Farm Animals | Bizfluent

Steps to Writing a Summary 1. Read and understand the prompt or writing directions. Write down the main ideas and important details of the article. 4. Write a thesis statement. In a single sentence, state the main idea of the article.

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are rodents, that they cannot see, and that they are more likely than other animals to carry rabies. Jul 13,  · How To Write a Hit Article. I intend to directly apply these lessons to my own work by writing about press animals only: Wolf Blitzer, Fox Butterfield, Fox News, Robert Trout, Robin Wright.

Blazars Are Like Staring Down a Black Hole's Throat. 5 Times (At Least) Einstein Was Wrong. Rare Crocs in an Unholy River.

From many angles, it is proved that animals are our friends. We establish intimacy with them by "keeping them as our pets. Sometimes they are kept in cages.

There are some pet animals who are allowed to stay with us freely. Both, animals and birds can be our pets. Dog is a faithful animal. Probably.

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