Some dairy farmers want to increase the amount of milk produced by their cows. How can the farmers use selective breeding to increase milk production?
By limiting the number of offspring per cow
By allowing the cows to select their mates
By breeding cows that are high milk producers
By increasing the age of the cows that are bred
Organisms with desirable traits can be produced through selective breeding and natural selection. Decide whether the examples on the right are examples of traits produced through selective breeding or natural selection.
Selective Breeding
Natural Selection
What is one difference between natural selection and selective breeding?
With natural selection, the genetic makeup of an organism is different than it's parents. With selective breeding the genetic makeup is identical to its' parent.
Once a trait helps a species survive, the time it takes for that trait to become apart of the population is much faster with natural selection.
Traits developed through natural selection are influenced by pressures from the environment. Organisms that are produced through selective breeding have traits selected by humans that may or may not be related to environmental pressures.
Natural selection can only occur when organisms are chosen and produce offspring. Selective breeding allows organisms to select a mate who is the best adapted to its' environment.
Selective breeding is an effective way to produce organisms that have desirable traits. After several generations of selective breeding, an organism can be produced consistently with certain traits. The disadvantage to the offspring can be
they may be unable to reproduce.
offspring from one organism that is selectively bred cannot breed with another organism.
they are not as genetically diverse as organisms who were not selectively bred.
they produce less offspring.
Help Please!!!!!
19 answers
2.
3. C
4. A
1. Find a wild wolf: Wolves can be found roaming in forests, taigas, and some other biomes. They usually spawn in groups of 1-8.
2. Feed the wolf: Once you have located a wolf, give it a bone by right-clicking on it while holding the bone. The wolf may take several bones before becoming tame.
3. Wait for hearts: After feeding the wolf, hearts will appear around it indicating that it has been tamed.
4. Put on a collar: Once the wolf has been tamed, you can right-click it to put on a collar. You can use dye on the collar to change its color.
5. Enjoy your new companion: Your newly tamed wolf will follow you around and protect you from hostile mobs.
Genetic variation is an important aspect of evolution as it provides the raw materials for natural selection to act upon. Populations with higher levels of genetic variation generally have a greater potential to adapt to changing environments, as they are more likely to have individuals with traits that are advantageous under different circumstances. Genetic variation is also important in fields such as medicine and agriculture, as it can influence disease susceptibility and resistance, and affect the response to therapies and treatments.
The concept of the gene pool is important in the study of genetics, evolution, and biodiversity. In genetics, the gene pool can help to determine the frequency of different alleles within a population, and to understand how traits are inherited and passed on. In evolution, changes in the gene pool over time can drive the development of new species and the evolution of new traits. In conservation biology, the concept of gene pool is used to preserve the genetic diversity of endangered species, as loss of genetic diversity can reduce the adaptive potential of a population and increase the risk of extinction.
Evolution has occurred throughout the history of life on Earth and remains an ongoing process that shapes the diversity of life. It has given rise to the remarkable diversity of species that currently inhabit our planet, including complex and sophisticated life forms like humans. Understanding how and why evolution occurs is a critical component of modern biology and has practical applications in fields such as medicine, agriculture, and conservation biology.