Tree frogs use leaves of the trees as protection and camouflage without
helping or harming the tree.
Answer:
What exactly is your question?
Explanation:
Of the 500 eggs produced by a certain female frog only 10 percent developed in adult frogs. Which part of Darwin’s theory does the best illustration?
Answer:
Mutations occur by chance
Explain the relationship between correlation and causation.
Answer:
Correlation indicates that the two numbers are related in some way.
Causation requires more proof that there is no lurking variable that creates the relationship.
Explanation:
What role do you think the minerals that make up a rock and the way a rock forms play in the appearance of rocks?
What part of the blood carries the oxygen?
a. the heme group of hemoglobin
b. the platelets
c. the nucleus of the red blood cell
d. the white blood cells
Explanation:
. the nucleus of the red blood cell is the write answer
A hurricane forms over the warm waters of the Atlantic Ocean. Mr. Gaines class determined that the pressure in the center of the hurricane is decreasing. What doe this indicate about the storm? 1. the storm is shifting from north to south 2. the storm is getting smaller as clouds begin to clear 3. the storm is getting stronger as wind increase 4. the storm is getting weaker as perception decreas
Hurricanes form when warm, moist air rises over the water. Cooler air replaces the rising air. Mr. Gaines's class identified that the pressure in the center of the hurricane is decreasing which indicates the storm is getting stronger as the wind increases, i.e., option 3.
What is a Hurricane?A hurricane is a powerful cyclone that is tropical and forms in the Atlantic or Northeast Pacific Oceans.
Surface atmospheric pressure is fairly low in the center of a hurricane. An eye forms in the center of the storm system as it rotates faster and faster. With very low air pressure, it is very calm and clear in the eye.
Thus, the correct option is 3.
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Compare and contrast how the following organisms reproduce: humans, flatworms, and ferns.
Human reproduce by two parent, fern by spores and flatworms by both one and two parent reproduction.
How humans, flatworms, and ferns reproduce?Humans reproduce by mating of male and female. This is called two parent reproduction while on the other hand, flatworms reproduce both one parent and two parent reproduction.
Ferns do not produce flower and reproduce from spores. These spores are like seeds which germinate into a new fern plant.
So we can conclude that human reproduce by two parent, fern by spores and flatworms by both one and two parent reproduction.
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If a cell wants to increase the flow through its cell membrane, what should it do?
Answer:
increasing either the distribution coefficient or the diffusivity for the transported solute.
Explanation:
there isn't a complete direct answer to this question, but this is how permeability can increase within the cell.
As part of an investigation of the population of foxes in San Miguel island, a scientist graphed the number of foxes present on the island over a span of 15 years, as shown below. The study began with year 0 and ran until the start of year 15.
Alternative rna splicing has revealed inaccuracies in the one gene-one polypeptide hypothesis. Why?.
Answer:
transcription
Explanation:
transcription of the same gene can lead to the production of different mRNAs and there fore deferent protein
Why do many inland waterways have speed limits for boats?
Answer: Its because of the water waves and it matters which boat should be used for the lake or island and the average.
Explanation:
A scientist has isolated a gene coding for the defensin protein found in spinach, which gives defense against microbial infections. The scientist inserts that gene into a virus.
Which step must the scientist then take to transfer the gene to orange trees to protect them from pathogens?
A.The modified virus must be introduced to the orange trees' cells.
B.The modified virus must be introduced into the soil.
C.The orange tree genome must be rewritten to match the virus's DNA.
D.The orange tree's DNA must be removed from its cells.
The steps that must be taken by the scientist to transfer the gene to orange trees to protect them from pathogens is the modified virus must be introduced to the orange trees' cells.
What do you mean by Pathogens?Pathogens may be defined as those microorganisms which are capable of causing diseases in other organisms.
When a gene of defensin protein is introduced into the virus, it also becomes protected against microbial infection.
This modified virus is then injected into the genome of the orange tree which in result leads to highly tolerable to microbial infections.
Therefore, the steps that must be taken by the scientist to transfer the gene to orange trees to protect them from pathogens is the modified virus must be introduced to the orange trees' cells.
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How does the cell make RNA?
Rocks are __________________ and washed away by __________________ and __________________. Accumulated ______________________ is _____________________ together to form ____________________________________________.
Answer:
Rocks are eroded and washed away by wind and water . Accumulated sediment is pressed together to form sedimentary rock.
Explanation:
hope it helps! :>
Compare the Early Earth's Atmosphere to today's Atmosphere. What change in the atmospheric conditions impacted life on earth the most?
Answer:
For early earth, it was filled with loads of oxygen and could kill humans if they breathed the oxygen that was in the air about 100 million years ago. This massive amount of oxygen cause massive creatures like the dinosaurs to exist. Current earth has an atmosphere with not too much oxygen.
Explanation:
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How is a comet’s tail formed, and what determines its direction?
Answer:
it's formed from dust and it heading towords the sun
Explanation:
What types of light are not absorbed by humans
Answer:
ultraviolet, X-ray, and gamma-ray are some types of lights that are not absorbed by the human eye
Explanation:
Why have frequent small controlled-burn wildfires not helped to maintain chaparral ecosystems?
A.Seeds of chaparral shrubs need a large accumulation of leaf litter in order to sprout.
B.Fire destroys the seeds of many types of chaparral shrubs.
C.The heat from forest fires destroys the roots of chaparral plants.
D.Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.
Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.i.e, option D.
What is chaparral ecosystem?
Chaparral, scrubland plant communities composed of broad-leaved evergreen shrubs, bushes, and small trees usually less than 2.5 metres (about 8 feet) tall—the characteristic vegetation of coastal and inland mountain areas of southwestern North America.
Chaparral vegetation is well adapted to fire and regenerates readily after fire, either through sprouting from stem bases (lignotubers) or from soil-stored seed.
Although mature chaparral consists mainly of shrubs, herbaceous plants are the dominant vegetation during the first few years after fire.
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10)“If Jupiter was not there, there could be more terrestrial planets”. Explain how
Answer:
There would be minor changes in the planets' orbits about the Sun, but very little else. However, Jupiter does a great job of shepherding and absorbing small objects in the Solar System. With Jupiter gone, the main effect on Earth would be an increase in the rate of impacts from asteroids and other space flotsam.
Explanation:
Hope this helped!!
compare electron and light microscope
The electron microscope uses a beam of electrons for magnifying the real image of an object. While the light microscope uses visible light to magnify the images of miniature substances or biological specimens.
What do you mean by Microscope?A microscope may be defined as an instrument that is to be used to magnify small objects such as biological cells, minerals samples, etc.
Electron microscopes have a higher level of magnification and a threat of radiation leakage as compared to the light microscope. In the electron microscope, image formation relies on the scattering of electrons while it depends on light absorption in the light microscope.
The electron microscope offers high resolution and is thus expensive as compared to the light microscope.
Therefore, it is well described above.
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A group of scientists build a special enclosure in the local bay to separate their experiment from the rest of the ocean. They wish to determine whether their experiment is a closed system by using a colored dye that is placed in the water. What result would best indicate that their experiment is a closed system, and why?
Answer:
Well, If the dye is found outside of the system then it would mean that there was an opening somewhere making it an open system. If there was not dye found in the surrounding areas then that means its a closed system.
Note: Glad I could help!
If the dye is found outside of the system then it would mean that there was an opening somewhere making it an open system. If there was not dye found in the surrounding areas then that means its a closed system.
What are the differences between open and closed system?An open system can exchange both energy and matter with its surroundings. The stovetop example would be an open system, because heat and water vapor can be lost to the air. A closed system, on the other hand, can exchange only energy with its surroundings, not matter.
One might describe a thermos as a closed system because it only allows energy to enter and leave it; but not matter (because it won't spill).
Open systems in thermodynamics allow matter as well as energy to enter and leave. For example this coffee cup is an open system when compared to the thermos.
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Most appalachian mountaintops are somewhat rounded and without many vertical cliffs. what most likely caused the shape of these mountaintops?
Glacial and hydric erosions are the most likely cause of these mountain tops' shape. Both of them create soft and rounded shapes on the rocks.
What is glacial erosion?
Glacial erosion is caused by the downward movement of glacial ice blocks, which erode the underlying rock surface. This erosion causes water and particles movement.
What is hydric érosion?Hydric erosion is caused by rainwater and water flows, which transport rock particles and deposit them at lower altitudes.
Also, hydric erosion can be caused by the movement of the waves.
Both glacial and hydric erosions create soft and rounded shapes on the rocks.
The Appalachian relief is characterized by their rounded tops and aligned mountains separated by depressions.
Glacial and hydric erosions are the most likely cause of these mountain tops' shape.
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Runoff has increased in recent years because of human activities. Which activity has
caused the greatest increase in polluted runoff?
A. Higher water usage
C. City urbanization
B. Illegal dumping
D. Irrigation
Answer: B llegal dumping
Explanation:
Both Earth systems and life systems had to evolve to create habitats before the evolution of new life-forms could occur. Which of the following could be used as evidence to support this
statement?
A.Life system: cyanobacteria begin photosynthesis and produce oxygen. Earth system: free oxygen reacts with rocks (axidation), resulting in increased rates of weathering for soil
production. Life system: land plants evolve and take root in terrestrial soil.
B.Life system: cyanobacteria begin photosynthesis and produce oxygen. Earth system: free oxygen reacts with all available dissolved iron in the ocean. Life system: mass extinction
event of anaerobic organisms occurs from buildup of oxygen in the ocean.
C.Earth system: oxygen moves from the ocean to the atmosphere through gas exchange. Earth system: free oxygen reacts with incoming solar radiation to form ozone. Earth system:
ozone collects in the stratosphere to form the protective ozone layer.
D.Earth system: molten Earth forms into layers based on density and pull of gravity. Earth system: Earth cooled, and the water vapor in the atmosphere condensed and created the
oceans. Life system: cyanobacteria evolved.
Answer:
A
Explanation:
The cyanobacteria were already there without the oxygen, so that rules out A and a lot of prokaryotes were anaerobic, so that rules out Finally, Photosynthesis does not require oxygen. Instead, Oxygen is a waste product of it.
What is photosynthesis?
Photosynthesis is a process that occurs in the chloroplast organelle of plant cells. The typical light reaction of photosynthesis takes place inside the thylakoid membrane of the chloroplast. The chief reactants such as water and carbon dioxide participate in the reaction. The water gets oxidized in the reaction to release oxygen as a product. The carbon dioxide gets reduced.
Thus, Photosynthesis is a process that occurs in the chloroplast organelle of plant cells
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Describe what occurs during the process of seed development.
Answer:
water is absorbed by the embryo, which results in the rehydration and expansion of the cells.
Explanation:
Select the four aspects of the farm bill.
creating an agricultural supply chain
doing conservation work
purchasing surplus grain
allocating food stamp funding
creating maximum prices for crops
setting subsidies for farmers
establishing commodities options
detailing future agricultural research
Answer:
creating an agricultural supply chain
creating maximum prices for crops
setting subsidies for farmers
detailing future agricultural research
Explanation:i had this quiz too and i selected these and i got %100 :)
Ohm’s law describes the relationship between which quantities?
voltage, resistance, and ohms
resistance, current, and amperes
current, voltage, and resistance
amperes, ohms, and current
Answer:
voltage, current, and resistance
Explanation:
Ohm's law states the relationship between voltage, current and resistance. As per this law, the voltage in a circuit is the product of current and resistance.
What is Ohm's law ?Ohm's Law is a fundamental principle in electrical engineering and physics that describes the relationship between voltage (V), current (I), and resistance (R) in an electrical circuit.
The law states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points, and inversely proportional to the resistance between them. In mathematical terms, Ohm's Law can be written as:
V = I * R
where V is the voltage across the circuit, I is the current flowing through the circuit, and R is the resistance of the circuit. This law applies to all electrical circuits, including both DC (direct current) and AC (alternating current) circuits. Ohm's Law is a crucial concept in electrical engineering and is used to design and analyze electrical circuits.
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Compare between Aorta Artery and pulmonary Artery in 2 points
Answer:
The human heart is a muscular organ which consists of four chambers and is responsible for the pumping of blood across the whole body. The heart possesses a network of blood vessels like arteries, veins and capillaries. Two of the five blood vessels that enter or leave the heart directly are the aorta and the pulmonary artery, And the Aorta is the largest artery, which carries oxygenated blood from the left ventricle of the heart to other parts of the body. In contrast, the pulmonary artery carries deoxygenated blood from the right ventricle of the heart to the lungs with the aim of purification.
Explanation:
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