The two main types of weathering which occur in deserts are Mechanical weathering, which is the disintegration of a rock by mechanical forces that do not change the rock's chemical composition and Chemical weathering, which is the decomposition of a rock by the alteration of its chemical composition.
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Which of the following is a way that human modification of limiting factors causes unbalance in ecosystems? a. habitat loss b. pollution c. climate changes d. all of the above please select the best answer from the choices provided a b c d
Answer:
D. All of the above.
Explanation:
Climate change and pollution and habitat loss all contribute to the unbalance in most ecosystems, due to killing off animals to make it more difficult for them to survive
Use the drop-down menu to complete the statement.
Consider a star with a surface temperature of 6000 K.
Use the information presented on the graph to
complete the statement.
The star emits most of its energy in the v
range.
UV
visible light
infrared
Answer:
B: visible light
Explanation:
Answer:
B
Explanation:
Within a single species, how
different is the DNA between
individual organisms?
A. At least 50% different
B. Exactly 100% different
C. Less than 1% different
Answer:
C
Explanation:
A single species (ex, humans) are very simlaer among individuals.
Within a single species the DNA between individual organisms is Less than 1% different.
What is DNA?Deoxyribonucleic acid (abbreviated DNA) is the molecule that carries genetic information for the development and functioning of an organism.
How does DNA differ from one species to another?
The typical difference within a species, including humans, is 0.1% or 1 in 1,000 of the "letters" that make up a DNA sequence.
Therefore, within a single species the DNA between individual organisms is Less than 1% different.
Hence ,option C is correct
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Identifying genes like HMGA2 is important, because it is evidence of natural selection. How does it demonstrate that natural selection occurred in Darwin’s finches?
Answer:Scientists observe the frequency of the different forms of the gene and how it changes in response to the environment
Explanation:
Different sizes of beaks demonstrates natural selection occurred in Darwin’s finches.
How natural selection occurred in Darwin’s finches?The Galapagos finches provides eviendence to Darwin which solidify his idea of natural selection. The Darwin's Finches' beaks were selected for over generations and after few years they make new species that having different sizes of beak.
So we can conclude that different sizes of beaks demonstrates natural selection occurred in Darwin’s finches.
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The fovea has the greatest visual acuity in bright light primarily because the fovea is:.
The fovea has the greatest visual acuity in bright light primarily because the fovea is has the highest density of narrow and elongated cone receptors.
The light sensitive area of the eyeThe eye is one of the sense organs that is use for sight by mammals. It contains the following parts:
Pupils,Cornea,Choroid,Retina,Conjunctiva andlris.All the images refracted by the eye lens is focused on the retina.
The fovea is part of the retina that is made up of high concentration of cone cells that helps to maximize light detection.
Therefore, the fovea has the greatest visual acuity in bright light primarily because the fovea is has the highest density of narrow and elongated cone receptors.
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Which area is approximately two-thirds of the distance between the navel and the hip bone in the rlq?.
Answer:
The appendix
Explanation:
The area that is approximately two-thirds of the distance between the navel and the hip bone in the RLQ. Pain in this area may mean appendicitis.
RLQ: is the lower right quadrent on you stomch
The navel is your belly button
Appendicitis: Is a inflamation between your small intestine and apendex
Im not sure what to do and this is for extra credit can someone explain
What do the respiratory system and cellular respiration have in common? question 2 options: oxygen plays a key role in both. they both rely on the heart. they both expel oxygen as a waste product. they have nothing in common.
answer: A. Oxygen plays a key role in both.
Explanation: I took the quiz.
How does a potometer work,explain in details
What elements are nanowhiskers usually made?
Answer:
Nanowhiskers are tiny threads that measure about 10 nano- meters (1 nm = 0.000000001 m) in length and 1.5 nanometers in diameter. They are often made of carbon or silver.
What is the purpose of photosynthesis?
Answer:
To make food for the plant.Explanation:
Photosynthesis is the process of green plants and some prokaryotes (cyanobacteria) producing glucose and oxygen gas from carbon dioxide and water, in the presence of sunlight.Which statement best describes how living things obtain energy?
A)All living things get the energy they need by consuming other organisms.
B)Some living things get the energy they need by consuming glucose, while others get the energy they need by consuming other organisms.
C)All living things get the energy they need by consuming glucose.
D)Some living things get the energy they need from the sun, while others get the energy they need from consuming other organisms.
Answer:
D)Some living things get the energy they need from the sun, while others get the energy they need from consuming other organisms
Explanation:
D) Some living things get the energy they need from the sun, while others get the energy they need from consuming other organisms.
Do living things get energy from the sun?The sun is the major source of energy for organisms and the ecosystems of which they are a component. manufacturers, which include plants and algae, use the strength from daylight to make meals power by using combining carbon dioxide and water to shape organic count. This process starts the go with the flow of strength through nearly all meal webs.
The chemical electricity that organisms want comes from meals. food consists of organic molecules that store the power of their chemical bonds. In terms of acquiring meals for power, there are two types of organisms: autotrophs and heterotrophs.
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Which type of white blood cell can become either a memory cell or a plasma cell to be used in a specific immune response
Answer:
I think Native B cell . Research before writing please !
After 38 years of state protection, the Florida black bear is joining a list of more than
60 animals that have been removed from the state's endangered species list. The
Florida Fish and Wildlife Conservation Commission (FWC) voted unanimously that
the species had regained a healthy population and is no longer in peril. Which of the
following most likely led to the change in the Florida black bear's status?
After 38 years of state protection, the Florida black bear is entering a list of more than 60 animals Florida Fish and Wildlife Conservation Commission (FWC) voted unanimously.
What is status of Florida black bear?The Florida black bear is recorded as a Recovered species; they are no longer regarded a protection concern. Both the human and black bear people in Florida have lived rising since the 1980s. They are, however, protected by the Bear Conservation Rule.
Thus, the Florida black bear is recorded as a Recovered species; they are no longer felt a conservation concern, watched by the Bear Conservation Rule.
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In the space provided, describe the similarities and differences between the seasonal changes of the oak tree in Florida and the oak tree in Maine make it Conclusions
Science pls
Owing to climatic peculiarities the changes of oak in Florida and oak in Maine are distinguished, in these cases differences are remarkably satisfactory.
The seasonal changes of the oak tree in Florida and the oak tree in MaineMany oaks are native to Florida. Some Florida oaks include
shumard oakwillow oakand southern live oak.Northern red oaks can also be found in northern Florida. Some other oak trees in Florida include
black oakbluff oakchapman oakchinkapin oakand laurel oak.With this information, we can conclude that owing to climatic peculiarities the changes of oak in Florida and oak in Maine are distinguished, in these cases differences are remarkably satisfactory.
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While studying thermal sulfur geysers in Yellowstone National Park, you collected water samples containing single cell organisms without muclei or membrane-bound organelles. To what kingdom would they belong?
Answer:
If you mean nuclei the answer is prokaryote
what type of inheritance controls blood types in humans.
Answer:
A gene l
Explanation:
Fluid is filtered from blood as it enters a capillary due to the _____, but fluid is reabsorbed as the blood exits a capillary due to the _____. Group of answer choices hydrostatic pressure from smooth muscle; cooler temperatures in venous blood osmotic pressure from salts; hydrostatic pressure from the veins blood pressure from the heart; osmotic pressure from proteins in the plasma
Fluid is filtered due to the hydrostatic pressure from the heart, but fluid is reabsorbed due to the pressure from proteins in the plasma.
What is hydrostatic pressure?The expression hydrostatic pressure makes reference to the pressure exerted by a fluid, in this case, the blood in the bloodstream.
Fluid is filtered from blood as it enters a capillary due to the hydrostatic pressure from the heart.
However, during this process fluid is reabsorbed as the blood exits a capillary due to the pressure from proteins in the plasma.
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What abiotic factors limit the northern extent of boreal forest?
Environmental Science BTW
Answer:
The primary limit on the northern extent of the boreal forest is the temperatures that exist here in both summer and winter.
Explanation:
name a body system that helps people to move?
Answer:
Un sistema corporal es un grupo de órganos que trabajan juntos para realizar una función específica. El cuerpo humano tiene 11 sistemas corporales. Los sistemas que se estudian en la escuela primaria suelen ser el sistema circulatorio, el sistema respiratorio, el sistema muscular, el sistema digestivo y el sistema nervioso. Los otros sistemas son igual de importantes pero más complejos, por lo que se estudian en los grados superiores. Son el sistema endocrino, el sistema inmunológico, el sistema linfático, el sistema reproductivo, el sistema esquelético y el sistema urinario
why enzymes is specific in nature?
Answer:
Enzymes are specific because different enzymes have differently shaped active sites. The shape of the active site of an enzyme is complementary to the shape of its specific substrate . This means they are the correct shapes to fit together.
Explanation:
↪Enzymes are specific because different enzymes have differently shaped active sites. The shape of the active site of an enzyme is complementary to the shape of its specific substrate . This means they are the correct shapes to fit together.
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What was true about the peppered moth population in England during the Industrial Revolution.
A. The species became extinct because the pollution was an environmental change and they couldn't adapt to.
B. Only the white moths became extinct because they couldn't blend into their environment and they all got eaten.
C. The dark moths, which before the Revolution were rare, increased in number near the cities.
D. The populations didn't change because the Industrial Revolution was only temporary.
Answer:
C
Explanation:
When the smoke covered the city the black moths were more camoflagued.
The genome located in the nucleoid of a mitochondrion or chloroplast consists of a ______ chromosome.
Answer:
i dont know
Explanation:
i am just doing this for points srry
How does natural selection affect a single-gene trait?.
Answer:
it can lead to changes in allele frequencies and then to evolution
you see a television commercial for a new antibiotic. the ad includes someone claiming that the antibiotic helped cure them of the fu. what are two reasons why you might question this claim?
Answer I would question this claim because
Explanation:
Each of our bodies are different
Hello! Miko is here to help!
The answer is:The sample is limited to one person so it doesn't provide a wide view of the product.
There is no expert opinion so it is not as believable.
After a caterpillar eats a leaf, it can convert the chemical energy into _____ energy to help it build a cocoon.
mechanical
nuclear
chemical
heat
Answer:
mechanical
Explanation:
the nutrients from the leaves provide the carterpilar with the neccessarry energy needed to build its cocoon. The coccon being a product of shed skin, the starch present in leaves is very key in its general formation
Psalm 19
What does the psalmist ask God for in this Psalm?
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________. group of answer choices left atrium to the right atrium left ventricle to the right ventricle right ventricle to the right atrium left ventricle to the left atrium
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the left ventricle to the left atrium.
The heart valve and its functionsThe heart is a hollow organ of the circulatory system that uses its electrical activities to pump blood to the whole body
The structure of the heart consist of the following parts
The four chambers: Includes the left ventricle, right ventricle, left atrium and right atrium.The valves: This includes the mitral, tricuspid, pulmonary and aortic valves.The mitral valve is located in the left chamber of the heart between the left atrium and left ventricle. It maintains the one-directional flow of blood through the heart.
Therefore, when the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the left ventricle to the left atrium.
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A very small infectious agent composed of DNA or RNA surrounded by a protein coat and that can only reproduce within a host cell is called a
Answer:
virus
Explanation:
during the water cycle, water evaporates, rises into the atmosphere, and eventually falls back to earth's surface as precipitation. what is the original source of energy that produces these changes
When warmed by the sun, water on the surface of oceans and freshwater bodies evaporates, forming a vapor. Water vapor rises into the atmosphere, where it condenses, forming clouds. It then falls back to the ground as precipitation. Moisture can also enter the atmosphere directly from ice or snow.
The original source of energy for the water cycle is sunlight. It falls on the earth's surface and causes the water to evaporate.
As the sunlight falls on the surface of the earth's surface, the water in the oceans or water bodies evaporates and the glaciers sublimes which converts directly from solid to gas or vapor form.
The vapor rises up in the atmosphere and forms the clouds this process is known as condensation. These water vapors falls back to earth's surface by the process of precipitation or raining.
This is known as water cycle. Therefore, the answer for the given question is sun energy or sunlight.
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