Answer:
In artificial selection, humans have the capacity to influence certain characteristics of organisms by selective breeding. One can choose desired parental traits determined by genes, which are then passed on to offspring.
Dog breeding is another prime example of artificial selection. Although all dogs are descendants of the wolf, the use of artificial selection has allowed humans to drastically alter the appearance of dogs.
Explanation:
Humans can influence traits in dogs or other organisms by the process of artificial selection through which desired characters can be added to the offspring.
How can humans influence traits in other organisms?Humans can influence the process of natural selection by the process of artificial selection, or selective breeding. In artificial selection, humans can select a specific set of desirable traits in the agricultural plants or animals, and thus produce desirable offspring (products) for benefit.
In artificial selection, humans have the capacity to influence certain characteristics of other organisms by selective breeding. A person can choose the desired parental traits which are determined by genes, which are then passed on to offspring.
An example of artificial selection is dog breeding. Although all the dogs are descendants of the wolf species, the use of artificial selection has allowed humans to drastically change the appearance of dogs.
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The San Marcos salamander, Eurycea nana, is a light reddish-brown
translucent salamander about 2-5 cm in length. E. nana is found only in
Spring Lake and a portion of the San Marcos River.
Which human activity would most likely decrease the ability of the
salamanders to survive?
The addition of a new food source into the river that limits competition for
resources
Tourism that helps fund the educational programs related to river ecosystem
conservation
Public transportation that reduces the number of automobiles that contribute to
pollution runoff into the river
Increasing water consumption that decreases the flow of clean water from the
springs that feed the river
Answer: Increasing water consumption that decreases the flow of clean water from the
springs that feed the river
Explanation: Because the salamanders have less clean water, pollution becomes more of a problem, also all of the other options would help the salamanders.
The human activity that would most likely decrease the ability of the salamanders to survive is increasing water consumption, which decreases the flow of clean water from the springs that feed the river, which is the last option.
What are the human activities that lead to habitat loss?The salamander is only found in a limited area of the San Marcos River, which relies on clean water from the springs, so decreasing the flow of clean water would negatively impact the salamander's survival, as it depends on specific water conditions for survival. As water is withdrawn from the springs to meet human needs, such as agriculture, industry, or household use, less water is available, which can have a detrimental effect on the habitat that the salamander requires because of human needs.
Hence, increasing water consumption decreases the flow of clean water from the springs that feed the river, so the last option is the correct option.
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Describe a real-world situation in which the plant might
have too much H,0 or Co, but not enough to carry out
photosynthesis.
Describe nondisjunction and the effect it can have on a human.
Answer: Nondisjunction is the failure of one or more pairs of homologous chromosomes or sister chromatids to separate normally during mitosis or meiosis. During mitosis, this can cause cancer. During meiosis, this can cause Down syndrome, Turner's syndrome, and Klinefelter's syndrome.
Matter and Chemical Formula
Let us learn about
Atoms and molecules
Element, compound and mixture
Chemical symbol and chemical formula
Atomicity and valency
Answer:
Atoms are the basic units comprising matter, and interact in a variety of ways.
Explanation
The most fundamental unit of matter that makes up elements is called atoms. Atoms comprise nucleus-orbiting electrons- while protons and nuetrons make up a stable nuclues. Here, the neutrons are uncharged, while the negatively charged electrons are attracted to the positively charged protons at the atom's center
The number of protons the atom determines its atomic number, and the sum of protons and neutrons determine the atomic mass.
Elements in the periodic table, are typically represented by chemical symbols- abbreviations of their atomic name. They are arranged in order of valency- atoms in the same group typically have the same number f electrons on their valence shells, and thus their physical properties behave similarly (conductivity, melting points, boiling points).
Valence electrons, on outer valence shells, also influence bonding. The atoms donate, accept or share valence electrons in order to achieve more stable atoms. Bonding between elements form molecules, that may interact with molecules to form compounds.
Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He measured the mass of his reactant materials to be 35g. The reaction resulted in the production of salt and water. He reported that his products weighed 32g. Which best describes the results of Franklin’s experiment? No error occurred, some of the products are always lost as heat. An error occurred, the mass of the reactants should equal the mass of the products. An error occurred, the products should weigh more than the reactants. No error occurred, water is not weighed when determining the weight of the products.
Answer:
B) an error occurred, the mass of the reactants should equal the mass of the products.
Explanation:
The answer choices are:
A) no error occurred, some of the products are always lost as heat.
B) an error occurred, the mass of the reactants should equal the mass of the products.
C) an error occurred, the products should weigh more than the reactants.
D) no error occurred, water is not weighed when determining the weight of the products.
Solution
The basis to answer this question is the law of conservation of mass.
Any chemical reaction satisfies the law of conservation of mass: mass cannot be either created nor destroyed, so, always, the mass of the reactants equal the mass of the products.
Thus, since he measured the mass of his reactant materials to be 35g and he reported that his products weighed 32g, his data are in clear contradiction of the law of conservation of mass. So, there is an error in his results: the mass of the reactants should equal the mass of the products.
Answer:
B
Explanation:
To achieve which of the following goals would rotation of livestock be most appropriate? (3 points)
-To avoid overgrazing, vegetation loss, and soil erosion
-To maximize livestock populations while minimizing costs
-To involve townspeople in the operations of a nearby farm
-To transform an abandoned city lot into a neighborhood garden
Answer: a, to avoid overgrazing, vegetation loss and soil erosion
Explanation: I just finished the assignment and it was correct
Answer:
the answer is A, overgazing , vegatation loss, and soil erosion
Explanation:
Which of the following physical changes would likely help a plant adapt to living in an area with little rainfall?
A.
large thin leaves
B.
thin bark
C.
large stomata
D.
deep taproot
Answer:
C.
deep taproot
Explanation:
study island answer
Answer:
D. deep taproot
Explanation:
Just answered this question
Explain the process of radioactive decay. What happens during radioactive decay, and what is the result at the end of radioactive decay?
Answer:
this is the answer straight off the site DO NOT COPY AND PASTE but along these lines is what its looking for
Explanation:
Radioactive decay is the process in which the nucleus of an unstable isotope spontaneously changes, releasing particles and energy. An unstable isotope will continue to decay until it reaches the stable form of either a different isotope of the same element that is stable or a different element that is stable.
good luck you can do this wonderful human!!!!!
Which term describes molten rock beneath the earth's surface?
Answer:
Magma
Explanation:
If a dog had 72 chromosomes, how many daughter cells will be created during a single cell cycle
Answer:
144
Explanation:
they divide, so double it :)
How do we use time in the real world? Give me one idea and illustration it down below please
Answer:
if you need to know what time to wake up or to get ready for work/ school then u need a certain time so ur not late for it
Which of these is a eukaryotic plant cell?
(A) Human liver cell
(B) E.coli bacteria cell
(C) Horse hair cell
(D)Carrot root cell
Answer:
Its D
Explanation:
Between these selections just carrot is a plant.
A euckaryotic cell is a cell that has a nucleus with membrane.
In the root for example we have paranshime cell
Which has one nucleus with membrane so this is the answer.
Hope you understand
1. W pewnym małżeństwie zarówno mężczyzna, jak i kobieta mają grupę krwi AB. Podaj genotyp mężczyzny i kobiety, a następnie określ, jakie grupy krwi mogą mieć dzieci tej pary. W tym celu uzupełnij krzyżówkę genetyczną: Genotyp kobiety: Genotyp mężczyzny: Krzyżówka: K- kobieta - pionowo, M – mężczyzna- poziomo
Answer:
A, B and AB blood groups.
Explanation:
If both a man and a woman have the blood type AB, the couple's children have A, B and AB blood groups. the reason behind these types of blood groups are the similar blood group of both male and female. According to blood type chart, a male with AB blood group married with female with the same blood group AB, it will never produce O blood group only A, B and AB blood groups.
Please answer asap
Which of the following is an example of physical weathering?
Acid rain reacting with rocks.
Animals burrowing in the ground which causes rocks to become exposed and then weathered away by other elements like wind.
Plants that produce acid and slowly wear the rocks down.
Rocks that contain iron and react with oxygen and water which causes rocks to turn a red color.
Which of the following is an example of biotechnology?
Answer:
observing migration patterns of whales genetically modifying soybeans to be resistant to insects building an instrument to view microscopic organisms sorting organisms into different categories.
Explanation:
what is the role of a catalyst?
Answer:
Catalysts make such a breaking and rebuilding happen more efficiently. They do this by lowering the activation energy for the chemical reaction. Activation energy is the amount of energy needed to allow the chemical reaction to occur. The catalyst just changes the path to the new chemical partnership
Explanation:
Choose all the answers that apply.
What are some of the harmful effects of producing and using fossil fuels?
habitat destruction
increased volcanic activity
air pollution
water pollution
add to greenhouse effect
Answer:
habitat destruction
increased volcanic activity
air pollution
water pollution
Explanation:
Name THREE ways Earth’s oceans affect your life.
The ocean is good for animals, animals need the water and animals help the water in some type of way. And half of the people including me loves sea animals, so without the ocean, there will be no sea animals.
And the ocean is good because it produces oxygen and carbon dioxide.
Three ways by which Earth's ocean affects your life are it supplies freshwater (most rain comes from the ocean) and nearly all of Earth's oxygen. The ocean moderates the Earth's climate influences our weather and impacts human health.
What are the oceans' effects?It offers food, medications, minerals, and sources of renewable energy. Fishing, seafood, pleasure, and science are all supported by it. Our ocean is the first "super-highway," connecting economies and moving people and things around the world.
Animals benefit from the ocean, as they both need and contribute to the water in some form. And since I am one of the people that like sea life, there wouldn't be any sea life without the ocean.
Therefore, additionally, the ocean is beneficial since it emits carbon dioxide and oxygen.
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ALL elements that make up glucose can be rearranged to make carbohydrates, proteins AND lipids.
True or False
Glucose is a simple sugar made up of 6 carbon, 6 oxygen and 12 hydrogen atom. It is an aldohexose because of the presence of the aldehyde group. It is the most abundant monosaccharide sugar.
The given statement is:
False.
The explanation for this is:
Carbohydrate is a molecule of biological importance and is made up of carbon, hydrogen and oxygen atoms. Hence, the elements of glucose can be rearranged to make carbohydrates.Similarly, lipids are insoluble bio compounds made up of carbon, oxygen and hydrogen.Proteins are molecules that are very crucial for cell functioning and structure. They are composed of carbon, hydrogen, oxygen and nitrogen mainly sometimes they even have sulfur or phosphorus in them.Therefore, the elements of glucose cannot be rearranged to carbohydrates, lipids and proteins.
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PLEASE HELP ME i will mark you brainless
Answer:
1. devloped
2. highest- USA lowest- austrailia
3. cause devloped contries have more tech and machinces that create carbon dioxide (like cars)
4. im not sure but one reason could be they are super eco-friendly and they dont have/use as many cars
ASAP!! DESCRIBE WHAT IS FOUND IN THE NUCLEUS OF THE CELL?!!
Explanation:
The semifluid matrix found inside the nucleus is called nucleoplasm.
DNA
RNA
Nucleolus
Chromosomes
Nucleoplasm
In mitosis, the second stage of the cell cycle, the cell's nucleus divides into two new ___________________________________.
A daughter cells
B golgi bodies
C nuclei
D cell walls
Answer:
Daughter cells.
Explanation:
when a parent amoeba divides into two daughter amoebae, then does that mean the parent dies? if i get a good ans ill make u brainliest
Answer:
No, the amoeba does not die, it simply transforms into the daughter cells.
Explanation:
The parent cell copies its genetic material and divides. This process is not going to kill the amoeba who went through it.
Dose any one wanna like make a go og le hangout?
if not than thats fine..
Answer:
I can talk but I'm also in class soooo
Explanation:
What has the most control over water being a gas, liquid or solid ice? A. The amount of water B. It’s temperature C. If its being used D. It’s age
Answer:
B. Its temperature
Explanation:
The different states of matter are largely influenced by both temperature and pressure. The temperature has most control over water being a gas, liquid or solid ice. If the temperature is very high, the molecules in the water increases their kinetic energy. This movement causes the compound ([tex]H_{2} O[/tex]) to break its bond. Thus, it turns into a gas. On the contrary, if the temperature is very low, the molecules of the water moves closer to each other. This causes them to solidify and turn into ice.
What should be my key concept for How much salt will it take to make an egg float.
The density of the average egg will be slightly greater than that of water, so it will sink. To make the egg float, we have to make the water more dense by adding salt. For 1 cup of water, adding 3 tbsp. of salt should be about enough to make the egg float.
Active transport moves molecules_____their concentration gradient
The grand Canyon was made by _____?
A. acid rain
B. a river
C. a glacier
D. blowing wind
Answer:
B
Explanation:
Erosion from a river over a very long period of time made the Grand Canyon.
what’s the bmi???????
Answer:
Body Mass Index?
Explanation:
Answer:
BMI is your Body Mass Index.
Explanation:
The formula given is how to calculate it. Simply insert your weight and divide it by your height. Then, multiply it by 703. I highly recommend using a BMI calculator.
Which statement best describes how the Great Rift Valley in Africa formed?
The rift valley formed when the crust pulled apart.
The rift valley formed due to subduction.
The rift valley formed similarly to an island arc.
The rift valley formed at a convergent boundary.
Answer:
The rift valley formed when the crust pulled apart.
Explanation:
The Great Rift Valley in Africa formed when the crust pulled apart along a divergent margin.
Rift valley systems are produced within a continent at divergent margins within a plate. The rifting system makes the earth in that region prone to frequent earthquakes as the continents continues pulling apart. It results from the divergence of the Arabian plate and the Somalia/Nubian plate. It is one of the longest rift valley systems on earth.Answer: a. The rift valley formed when the crust pulled apart