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What is selective breeding?
Long before scientists had technology to manipulate genes, people used selective breeding to manipulate mating. Selective breeding, also called artificial selection, is the process by which humans artificially select plants or animals that are going to breed and flourish according to what we want from them. The process of selective breeding starts with selecting the animals or plants that have the best characteristics. Then force them to breed with one another. Later, select the best of the offspring and combine them with the best you already have and breed again. The process then continues over several generations to develop the desired traits.
What are the benefits to selective breeding?
Selective breeding is an extremely helpful technique that has been used for hundreds of years. In terms of farming, we use this process to develop the best features: maximum yield (or the most possible product), good health and disease resistance. This is done with cows to make more and better tasting milk. We have increased the number of eggs and the size of eggs each hen can produce. In terms of plants, we have selectively bred wheat to be resistant to disease.
This has also helped people who race horses. They are able to combine the fastest, strongest, or highest jumping horse to have the best chance of winning. Humans have also worked to make cats that are hypoallergenic (meaning they don’t cause allergic reactions. They wed out cats that cause allergies and breed cats that produce the smallest reactions.
Breeders use this to make sure that pedigree dogs remain pure bred. This is done purely for physical appearance to ensure wins at dog shows. They have a similar process to create exotic animals like ligers. They cross 2 different species: a tiger and a lion to create this hybrid, or combination of two organisms.

What are disadvantages to selective breeding?
All of the advantages for selective breeding are for humans. Because of this, there are many disadvantages for the animals. In all cases, the gene pool, the number of possible alleles, is reduced. This is because the species are getting the same “best” genes all the time. This is bad because if a new disease appears, all of the species can be wiped out. In general, there is a large amount of variation in a species that gives some resistance to a disease. However, with selective breeding, they are very closely related to one another. So, if one is affected, they probably all will be. Hybrids that humans make are generally sterile, meaning they cannot produce offspring. Purebred dogs can also have very bad health problems because of their small gene pool.

Answer:

The answer is C.

Explanation:

No dependence between the populations of the two ant species.

Answer: im just doing challenges

Explanation:

Source: "trust me"

Static frictional force is the minimum force that must be overcome for one object to slide over another.

Frictional force is the force the acts between the surfaces of two objects in contact which oppose the motion of one object over the other.

The minimum force that must be overcome for one object to slide over another is known as static frictional force.

If the applied force is greater than static frictional force, the object will start moving over the other.

Therefore, static frictional force is the minimum force that must be overcome for one object to slide over another.

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Explanation:

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Answer:

Sense of fashion\style, maybe music or artistic taste and preferences in food

Explanation: These are just my ideas but if you don't want to use them then that's fine.

According to the scenario, it is difficult to find shelter in a grassland habitat. This is because grassland habitat generally consists of small grasses with a lack of space between them.

Habitat may be defined as a type of natural environment for which a particular species is best adapted due to natural selection. It may also be characterized as the area where the basic demands of an organism are fulfilled like food, water, space, mating partner, etc.

Grasslands habitats are generally open and continuous, fairly flat areas of grass. They are often located between temperate forests at high latitudes and deserts at subtropical latitudes. In these habitats, the availability of shelter is very low because of an abundance of small grasses across the area which is insufficient to build a shelter.

Therefore, it is difficult to find shelter in a grassland habitat. This is because grassland habitat generally consists of small grasses with a lack of space between them.

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Answer:

Its the 3 one

Answer:

I'm pretty sure the answer is that they are in the same biological classification

Explanation:

this is the answer because they evolved from a common ancestor.

Answer:

there ya go

Explanation:

Answer:

mutation or possible disease

D.Autotrophic.....lolololo

Answer:

Pretty sure the answer is, A.) Proteins

Explanation:

Answer:

Explanation:

Chromatin is the material that makes up a chromosome that consists of DNA and protein. The major proteins in chromatin are proteins called histones. They act as packaging elements for the DNA.

Answer:

assuming the trout is on the first and lowest branch

Answer:

During DNA packaging, long pieces of double-stranded DNA are tightly looped, coiled, and folded so that they fit easily within the cell. Eukaryotes accomplish this feat by wrapping their DNA around special proteins called histones, thereby compacting it enough to fit inside the nucleus

Answer:

Such cells, called cancer cells, divide uncontrollably and form masses of cells called tumors that can damage the surrounding tissues. ... Normal cells respond by not growing.

Answer:

Cancer cells do not respond to the signals that regulate the growth of most cells... What happens when cells do not respond to the signals that normally regulate their growth? Such cells, called cancer cells, divide uncontrollably and form masses of cells called tumors that can damage the surrounding tissues.

Hope this helps!!!

Have a great day!!! :)

Answer:

Natural selection would be the other source because organisms that have a beneficial trait will live, but organisms that do not have a beneficial trait might die. So the organsims that do survive will reproduce and pass on those traits to their offspring. Eventually all the organisms that do not have a beneficial trait will die out, leaving most of the population having that beneficial trait.

Answer:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

Answer:

B. Evidence from rock layers, fossils, and ice cores.

Explanation:

Right i believe

Answer:

Its the 4th one. I think. Its the 2nd or third but can't tell for sure. When I searched it, the result came as followed: "Plate tectonics shift the continents, raise mountains and move the ocean floor." So yeah. Hope this somewhat helps.

Explanation:

Answer: C.) Aluminum

Explanation: Aluminum cans are one of the most recyclable materials, as they are 100% recyclable and can be reprocessed over and over again. You can recycled aluminum cans into new cans which uses 95% less energy than making new ones.

Hope this helps. :)

Answer:

The correct answer is - when a drug kills most of the bacteria, the ones left to breed are those that have a natural resistance to the drug.

Explanation:

When a drug or antibacterial medication used on the colony of a bacteria, the drug kills most of the specific bacteria from the host or culture, however, some bacteria remain to breed the next generation of bacteria as they had resistance to the particular drug.

The left bacteria breed and produce more resistant bacteria and after a few generations, a new form of drug-resistant bacteria develops. This follows the natural selection process and adapting the beneficial characteristic.

Answer: When they were full of air, then the Pressure was the Highest 'cause of the larger force under the specified area as compared to when we released it. We decreased the area of our cheek, so pressure increased and air flows from the cheek (area of high pressure) to the atmosphere

Explanation:

The correct answer is

B. Decrease chemical use

Answer: 1.)The gastric juice

             2.) The  acidic gastric

Explaining: The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins. The acidic gastric juice also kills bacteria. The mucus covers the stomach wall with a protective coating.

Hope this helps. :)

Answer:

tricuspid valve would be the entrance to the heart

Answer:

The evolution of modern humans consisted of fossils, direct observation, anatomy, and molecular biology.

Answer:

0,45 is the population I guess

Answer:During attachment and penetration, the virus attaches itself to a host cell and injects its genetic material into it. During uncoating, replication, and assembly, the viral DNA or RNA incorporates itself into the host cell's genetic material and induces it to replicate the viral genome.

Explanation:

Virus replication is the formation of biological viruses during the infection process in the target host cells. Viruses must first get into the cell before their replication can occur.

Viruses may be defined as infectious microbes consisting of an element of nucleic acid surrounded by a protein coat.

There are six steps that govern the replication of a virus. They are given below:

Therefore, it is well described above.

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Answer:

When carbon dioxide CO2 is realised into the atmosphere from the burning of fossil fuel, approximately 50% remains in the atmosphere, while 25% is absorbed by land plants and trees, and 25% other is absorbed into the areas of the ocean.

Answer:

25%

Explanation:

A simple way to think of the punnett square is to think of it as divided into fourths. Only one of these fourths has o type blood. Therefore, there is only a 1/4 or 25% chance of them having another child with o type blood. Hope this helps :)