Genetic engineering is due to the human selection of desired phenotypes, whereas natural selection is a slow process of differential survival and reproduction.
<h3>What does natural selection mean?</h3>
According to the evolution theory, natural selection is a slow process of differential survival of the fittest organisms in a given environment.
Conversely, genetic engineering refers to the molecular biology techniques used in the laboratory to produce organisms expressing desired phenotypes.
In conclusion, genetic engineering is based on human molecular biology techniques, whereas natural selection refers to differential survival and reproduction in nature.
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Answer:
Where two tectonic plates meet at a subduction zone, one bends and slides underneath the other, curving down into the mantle. (The mantle is the hotter layer under the crust.) ... At a subduction zone, the oceanic crust usually sinks into the mantle beneath lighter continental crust.
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Answer:
The leaves of the branches of the forest and garden trees are very valuable roughage for goats in winter. It can replace up to half of the estimated roughage for the day, ie. 4-5 twigs weighing 2 kilograms. The nutritional value of wallets is about 2 times less than that of hay. The most nutritious is acacia, followed by willow, hazel, elm, linden, oak, ash, maple, pear, quiver, poplar, etc. Regardless of the type, the most nutritious are the leaves prepared in June and July, while the branches of the trees are still tender and not completely woody.
All carbohydrates are made up of monosaccharides.
Explanation:
The carbohydrates are one of the crucial naturally occurring chemicals when it comes to the survival and prosperity of the living organisms. They serve lot of different roles, from providing energy, storing energy, fertilization, make up the RNA, strengthening the immune system etc.
The carbohydrates though are not all the same, and they can actually be divided into four different groups:
- monosaccharides
- disaccharides
- oligosaccharides
- polysaccharides
Each of them has different chemical composition, thus having different properties. Those different properties in turn result in different types of usages for each of them among the living organisms. The smallest units, the monosaccharides and disaccharides are actually the ones that are referred to as sugars, something that we all know very well and use it on daily basis.
Answer:
Igneous rocks are formed from melted rock deep inside the Earth. Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons. Metamorphic rocks formed from other rocks that are changed by heat and pressure underground.
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