Write a paragraph about domestic and wild animals

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Write a paragraph about domestic and wild animals

Sericulturalists preparing silkworms for spinning of the silk Two insectsthe silkworm and the western honey beehave been domesticated for over 5, years, often for commercial use. The silkworm is raised for the silk threads wound around its pupal cocoon; the western honey bee, for honeyand, lately, for pollination of crops.

Few have a long history of domestication. Most are used for food or other products such as shellac and cochineal. The phyla involved are CnidariaPlatyhelminthes for biological controlAnnelidaMolluscaArthropoda marine crustaceans as well as insects and spidersand Echinodermata.

While many marine molluscs are used for food, only a few have been domesticated, including squidcuttlefish and octopusall used in research on behaviour and neurology. Terrestrial snails in the genera Helix and Murex are raised for food.

Several parasitic or parasitoidal insects including the fly Eucelatoriathe beetle Chrysolinaand the wasp Aphytis are raised for biological control. Conscious or unconscious artificial selection has many effects on species under domestication; variability can readily be lost by inbreeding, selection against undesired traits, or genetic drift, while in Drosophila, variability in eclosion time when adults emerge has increased.

List of domesticated plants The initial domestication of animals impacted write a paragraph about domestic and wild animals on the genes that controlled their behavior, but the initial domestication of plants impacted most on the genes that controlled their morphology seed size, plant architecture, dispersal mechanisms and their physiology timing of germination or ripening.

Wild wheat shatters and falls to the ground to reseed itself when ripe, but domesticated wheat stays on the stem for easier harvesting. Wheat with this mutation was harvested more frequently and became the seed for the next crop. Therefore, without realizing, early farmers selected for this mutation.

The result is domesticated wheat, which relies on farmers for its reproduction and dissemination. History of agriculture The earliest human attempts at plant domestication occurred in the Middle East. There is early evidence for conscious cultivation and trait selection of plants by pre-Neolithic groups in Syria: The domesticated bottle gourd reached the Americas from Asia by BCE, most likely due to the migration of peoples from Asia to America.

The first domesticated crops were generally annuals with large seeds or fruits. These included pulses such as peas and grains such as wheat. The Middle East was especially suited to these species; the dry-summer climate was conducive to the evolution of large-seeded annual plants, and the variety of elevations led to a great variety of species.

As domestication took place humans began to move from a hunter-gatherer society to a settled agricultural society.

This change would eventually lead, some to years later, to the first city states and eventually the rise of civilization itself. Continued domestication was gradual, a process of intermittent trial and error. Over time perennials and small trees including the apple and the olive were domesticated.

Some plants, such as the macadamia nut and the pecanwere not domesticated until recently. In other parts of the world very different species were domesticated.

In the Americas squashmaizebeansand perhaps manioc also known as cassava formed the core of the diet. In East Asia milletriceand soy were the most important crops. Some areas of the world such as Southern AfricaAustraliaCalifornia and southern South America never saw local species domesticated.

Differences from wild plants[ edit ] Domesticated plants may differ from their wild relatives in many ways, including the way they spread to a more diverse environment and have a wider geographic range; [51] different ecological preference sun, water, temperature, nutrients, etc.

Traits that are being genetically improved[ edit ] There are many challenges facing modern farmers, including climate change, pests, soil salinity, drought, and periods with limited sunlight.

With shifting climates comes shifting weather patterns, meaning that regions that could traditionally rely on a substantial amount of precipitation were, quite literally, left out to dry.

In light of these conditions, drought resistance in major crop plants has become a clear priority. Next, transferring these advantages to otherwise vulnerable crop plants.

Rice, which is one of the most vulnerable crops in terms of drought, has been successfully improved by the addition of the Barley hva1 gene into the genome using transgenetics.Foam and domestic farm animals in the jos plateau, it is an animal shelters and composition essays for essay.

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Essay on The Domestic Animal. Article shared by. Introduction: People rear some animals at home. Such animals are known as domestic animals. These animals are very useful to them.

write a paragraph about domestic and wild animals

Our domestic animals are quite friendly to us. They do very useful jobs for our benefit. Hence, we should treat them with all kindness.

write a paragraph about domestic and wild animals

Aug 07,  · The 'Domestic Animals' are the animals that have been tamed and kept by humans as a work animal, food source or pet. There are different kinds of domestic animals.

Cow, buffalo, sheep, goat, dog, cat, elephant, horse, camel, cock, hen, parrot, pigeon are some example of domestic rutadeltambor.com: All Essay. Domestic And Wild Animals.

As many people know, having wild animals as pets is becoming more popular, but should not be taken in. Wild animals like lions, tigers and bears are not considered to be good house pets like a dog or a cat (which are considered domestics animals).These type of animals have needs that can easily be met by there owners, whereas wild animals are used to running free .

Aug 07,  · Short Essay on 'Domestic Animals' ( Words) Wednesday, August 7, The 'Domestic Animals' are the animals that have been tamed and kept by humans as a work animal, food source or rutadeltambor.com: All Essay.

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